Name: Arata Onozawa
Country: Japan
Birthdate: 28.04.88, 36 years
ATP ranking: 800
TOP ranking's position: 478 (14.11.11, 70 points)
Points: 23
Prize money: 80.403 $
Matches total: 503
Win: 254
%: 50.5 %
Country: Japan
Birthdate: 28.04.88, 36 years
ATP ranking: 800
TOP ranking's position: 478 (14.11.11, 70 points)
Points: 23
Prize money: 80.403 $
Matches total: 503
Win: 254
%: 50.5 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2018 | 10/9 | 7/5 | 3/3 | 0/0 | 0/1 | 0/0 | 0/0 |
| 2017 | 12/14 | 10/11 | 0/1 | 0/0 | 2/2 | 0/0 | 0/0 |
| 2016 | 17/20 | 10/13 | 5/5 | 0/0 | 2/2 | 0/0 | 0/0 |
| 2015 | 29/22 | 13/13 | 11/6 | 3/1 | 2/2 | 0/0 | 0/0 |
| 2014 | 22/20 | 13/16 | 3/1 | 3/1 | 3/2 | 0/0 | 0/0 |
| 2013 | 26/25 | 22/20 | 3/4 | 0/0 | 1/1 | 0/0 | 0/0 |
| 2012 | 34/26 | 23/21 | 9/3 | 0/0 | 2/1 | 0/1 | 0/0 |
| 2011 | 36/27 | 27/20 | 7/3 | 0/1 | 1/2 | 1/1 | 0/0 |
| 2010 | 25/24 | 19/15 | 3/5 | 0/0 | 1/3 | 0/0 | 2/1 |
| 2009 | 18/23 | 7/14 | 6/4 | 0/1 | 5/4 | 0/0 | 0/0 |
| 2008 | 16/25 | 10/19 | 1/3 | 0/0 | 5/3 | 0/0 | 0/0 |
| 2007 | 9/11 | 3/6 | 3/2 | 0/0 | 3/3 | 0/0 | 0/0 |
| 2006 | 0/2 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2005 | 0/1 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 254/249 | 164/174 | 54/42 | 6/4 | 27/26 | 1/2 | 2/1 |
| perc. % | 50.5 % | 48.52 % | 56.25 % | 60 % | 50.94 % | 33.33 % | 66.67 % |
Arata Onozawa / Fixtures
| no matches found |
Arata Onozawa form / surface: Hard
Arata Onozawa / surface: Hard
| 24.07.18 | 1st round | Chun Hsin Tseng | Arata Onozawa | 6-1, 6-4 |  | match details | .png){kind=small} Chinese Taipei | Hard |
| 22.07.18 | q 1 | Arata Onozawa | Fei Ti Liao | 7-63, 7-5 |  | match details | ||
| 22.07.18 | qual. | Arata Onozawa | Ching-Huang Tsai | 6-2, 6-1 | | match details | ||
| 16.07.18 | qual. | Tsung-Hao Huang | Arata Onozawa | 7-5, 3-6, 6-1 | | match details | Chinese Taipei | Hard |
| 15.07.18 | q 1 | Arata Onozawa | Jia-Hong Shen | 6-0, 6-0 | | match details | ||
| 11.04.18 | 2nd round | Sora Fukuda | Arata Onozawa | 7-63, 4-6, 6-1 | | match details |  Japan F6 | Hard |
| 10.04.18 | 1st round | Arata Onozawa | Aoran Wang | 6-4, 6-4 | | match details | ||
| 08.04.18 | qual. | Kazuki Nishiwaki | Arata Onozawa | 7-5, 6-3 | | match details | ||
| 08.04.18 | q 2 | Arata Onozawa | Kento Gouda | 6-2, 6-4 | | match details | ||
| 07.04.18 | q 1 | Arata Onozawa | Taiki Hosokawa | 6-0, 6-1 | | match details | ||
| 17.03.18 | q 1 | Arata Onozawa | Seiya Nakanishi | 6-2, 6-0 | | match details | Japan F3 | Hard |
| 17.03.18 | q 2 | Issei Okamura | Arata Onozawa | 7-64, 6-0 | | match details | ||
| 22.11.17 | 2nd round | Arjun Kadhe | Arata Onozawa | 7-5, 6-2 | | match details |  Vietnam F3 | Hard |
| 21.11.17 | 1st round | Arata Onozawa | Shunrou Takeshima | 6-0, 6-3 | | match details | ||
| 20.11.17 | q 2 | Arata Onozawa | Huynh Thinh | 6-2, 6-0 | | match details | ||
| 20.11.17 | qual. | Arata Onozawa | Mislav Bosnjak | 6-0, 6-2 | | match details | ||
| 06.11.17 | q 2 | Cesar Testoni | Arata Onozawa | Arata Onozawa - walk over | | match details | Vietnam F1 | Hard |
| 06.11.17 | q 1 | Arata Onozawa | Chanchin Sookton-Eng | 7-5, 6-3 | | match details | ||
| 14.08.17 | q 2 | Chayanon Kaewsuto | Arata Onozawa | 4-6, 6-4, 6-3 | | match details |  Thailand F6 | Hard |
| 08.08.17 | 1st round | Nam Hoang Ly | Arata Onozawa | 5-7, 6-2, 7-66 | | match details | Thailand F5 | Hard |
| 07.08.17 | qual. | Arata Onozawa | Masaki Sasai | 7-62, 6-1 | | match details | ||
| 07.08.17 | q 2 | Arata Onozawa | Ivan Krivic | 6-3, 3-0, Ivan Krivic - retired | | match details | ||
| 01.08.17 | 1st round | Ching-Mou Yu | Arata Onozawa | 7-5, 6-72, 6-2 | | match details | Thailand F4 | Hard |
| 31.07.17 | q 2 | Arata Onozawa | Thien Nguyen Hoang | 7-5, 4-6, 6-1 | | match details | ||
| 31.07.17 | qual. | Arata Onozawa | Ken Onoda | 6-3, 6-3 | | match details | ||
| 27.06.17 | 1st round | Chun Hun Wong | Arata Onozawa | 4-6, 6-1, Arata Onozawa - retired | | match details |  Hong Kong | Hard |
| 20.06.17 | 1st round | Karunuday Singh | Arata Onozawa | 6-4, 1-6, 6-1 | | match details | Hong Kong | Hard |
| 06.06.17 | 1st round | Masaki Sasai | Arata Onozawa | 3-6, 6-2, 6-3 | | match details | Japan F7 | Hard |
| 22.05.17 | q 1 | Michael Look | Arata Onozawa | 6-4, 6-75, 6-4 | | match details |  Singapore F1 | Hard |
| 29.03.17 | 1st round | Masaki Osafune | Arata Onozawa | 6-6, Arata Onozawa - retired | | match details | Japan F4 | Hard |
| 20.03.17 | q 2 | Arata Onozawa | Sota Fujii | 6-4, 6-3 | | match details | Japan F3 | Hard |
| 20.03.17 | qual. | Rimpei Kawakami | Arata Onozawa | 6-3, 2-6, 6-2 | | match details | ||
| 20.03.17 | q 1 | Arata Onozawa | Subaru Kakegawa | 6-0, 6-2 | | match details | ||
| 20.09.16 | 1st round | Chan-Yeong Oh | Arata Onozawa | 5-0, Arata Onozawa - retired | | match details | Vietnam F5 | Hard |
| 15.09.16 | 2nd round | Congsup Congcar | Arata Onozawa | 7-5, 6-4 | | match details | Vietnam F4 | Hard |
| 11.09.16 | 1st round | Arata Onozawa | Koichi Sano | 2-6, 7-69, 6-0 | | match details | ||
| 11.08.16 | 2nd round | Sora Fukuda | Arata Onozawa | 5-1, Arata Onozawa - retired | | match details | Vietnam F3 | Hard |
| 09.08.16 | 1st round | Arata Onozawa | Jui-Chen Hung | 6-3, 6-3 | | match details | ||
| 04.08.16 | 2nd round | Mukund Sasikumar | Arata Onozawa | 6-1, 6-3 | | match details | Vietnam F2 | Hard |
| 02.08.16 | 1st round | Arata Onozawa | Jonathan Kanar | 7-5, 6-4 | | match details | ||
| 28.06.16 | 1st round | Xiao Gong | Arata Onozawa | 6-71, 6-4, 3-1, Arata Onozawa - retired | | match details |  China F10 | Hard |
| 22.06.16 | 1/4 | Sami Reinwein | Arata Onozawa | 6-2, 6-2 | | match details | Hong Kong | Hard |
| 21.06.16 | 2nd round | Arata Onozawa | David Agung Susanto | 6-3, 6-4 | | match details | ||
| 19.06.16 | 1st round | Arata Onozawa | Ryota Tanuma | 6-1, 7-5 | | match details | ||
| 15.06.16 | 2nd round | Mikelis Libietis | Arata Onozawa | 6-4, 7-68 | | match details | Hong Kong | Hard |
| 14.06.16 | 1st round | Arata Onozawa | Zihao Xia | 6-4, 6-2 | | match details | ||
| 08.06.16 | 2nd round | Yuya Ito | Arata Onozawa | 6-4, 6-1 | | match details | Japan F7 | Hard |
| 06.06.16 | 1st round | Arata Onozawa | Ken Onishi | 6-4, 6-73, 6-0 | | match details | ||
| 17.05.16 | 1st round | Wei-De Lin | Arata Onozawa | 6-3, 6-3 | | match details | China F7 | Hard |
| 11.05.16 | 2nd round | Michael Geerts | Arata Onozawa | 6-4, 7-63 | | match details | China F6 | Hard |
| 10.05.16 | 1st round | Arata Onozawa | Yuqing Ning | 6-3, 5-7, 6-4 | | match details | ||
| 08.04.16 | 2nd round | Yuichi Ito | Arata Onozawa | 1-6, 7-63, 6-4 | | match details | Japan F5 | Hard |
| 05.04.16 | 1st round | Arata Onozawa | Kaito Uesugi | 6-3, 6-4 | | match details | ||
| 13.03.16 | 1st round | Kento Takeuchi | Arata Onozawa | 2-6, 7-5, Arata Onozawa - retired | | match details | Japan F2 | Hard |
| 10.03.16 | 2nd round | Takashi Saito | Arata Onozawa | 6-0, 3-0, Arata Onozawa - retired | | match details | Japan F1 | Hard |
| 10.03.16 | 1st round | Arata Onozawa | Hiroki Kondo | 2-6, 6-3, 3-0, Hiroki Kondo - retired | | match details | ||
| 17.08.15 | 1st round | Kuan-Yi Lee | Arata Onozawa | 6-1, Arata Onozawa - retired | | match details | Chinese Taipei | Hard |
| 10.08.15 | 2nd round | Arata Onozawa | Yuuya Kibi | 1-6, 6-1, 6-2 | | match details | China F13 | Hard |
| 10.08.15 | 1/4 | Tsung-Hua Yang | Arata Onozawa | 6-4, 7-64 | | match details | ||
| 10.08.15 | 1st round | Arata Onozawa | Shawn H. Hadavi | 6-3, 6-0 | | match details | ||
| 03.08.15 | 2nd round | Arata Onozawa | Liang-Chi Huang | 5-5, Liang-Chi Huang - retired | | match details | China F12 | Hard |
| 03.08.15 | 1/4 | Arata Onozawa | Zhaoyi Cao | 6-0, 6-2 | | match details | ||
| 03.08.15 | fin | Yan Bai | Arata Onozawa | 6-2, 6-3 | | match details | ||
| 03.08.15 | 1/2 | Arata Onozawa | Duckhee Lee | 6-2, 0-6, 6-4 | | match details | ||
| 03.08.15 | 1st round | Arata Onozawa | Zhuoyang Qiu | 6-4, 6-0 | | match details | ||
| 25.05.15 | 2nd round | Yuqing Ning | Arata Onozawa | 7-64, Arata Onozawa - retired | | match details | China F6 | Hard |
| 25.05.15 | 1st round | Arata Onozawa | Peng-Xiang Gong | 6-0, 6-2 | | match details | ||
| 18.05.15 | 1st round | Arata Onozawa | Yang Lu | 3-6, 6-0, 6-3 | | match details | China F5 | Hard |
| 18.05.15 | 2nd round | Xi Qi | Arata Onozawa | 6-4, 6-1 | | match details | ||
| 04.05.15 | 2nd round | Phassawit Burapharitta | Arata Onozawa | 2-6, 6-0, 7-5 | | match details | Thailand F3 | Hard |
| 04.05.15 | 1st round | Arata Onozawa | Makoto Ochi | 6-3, 6-3 | | match details | ||
| 27.04.15 | 2nd round | Warit Sornbutnark | Arata Onozawa | 6-3, 6-2 | | match details | Thailand F2 | Hard |
| 27.04.15 | 1st round | Arata Onozawa | Masato Shiga | 6-3, 7-67 | | match details | ||
| 30.03.15 | 1st round | Shuichi Sekiguchi | Arata Onozawa | 6-4, 6-4 | | match details | Japan F4 | Hard |
| 23.03.15 | 1st round | Yasutaka Uchiyama | Arata Onozawa | 6-3, 6-2 | | match details | Japan F3 | Hard |
| 16.03.15 | 1st round | Masaki Sasai | Arata Onozawa | 6-4, 6-4 | | match details | Japan F2 | Hard |
| 09.03.15 | 2nd round | Ken Onishi | Arata Onozawa | 6-3, 1-6, 7-5 | | match details | Japan F1 | Hard |
| 09.03.15 | 1st round | Arata Onozawa | Taiki Hashimoto | 6-2, 6-1 | | match details | ||
| 12.01.15 | 2nd round | Alexey Vatutin | Arata Onozawa | 6-2, 6-2 | | match details |  Turkey F2 | Hard |
| 12.01.15 | 1st round | Arata Onozawa | Miki Jankovic | 6-4, 6-76, 6-0 | | match details | ||
| 05.01.15 | 2nd round | Hugo Nys | Arata Onozawa | 6-1, 6-2 | | match details | Turkey F1 | Hard |
| 05.01.15 | 1st round | Arata Onozawa | Gleb Alekseenko | 6-4, 6-4 | | match details | ||
| 06.10.14 | 1st round | Mitchell Krueger | Arata Onozawa | 6-2, 6-4 | | match details |  Australia F7 | Hard |
| 29.09.14 | 1st round | Daniel Hobart | Arata Onozawa | 6-73, 6-4, 6-4 | | match details | Australia F6 | Hard |
| 25.08.14 | 1st round | Yu Hsiang Chiu | Arata Onozawa | 5-2, Arata Onozawa - retired | | match details | Chinese Taipei | Hard |
| 18.08.14 | 1/4 | Liang-Chi Huang | Arata Onozawa | 6-1, 6-4 | | match details | Chinese Taipei | Hard |
| 18.08.14 | 2nd round | Arata Onozawa | Yan Bai | Yan Bai - walk over | | match details | ||
| 18.08.14 | 1st round | Arata Onozawa | Hao-Yang Hu | 6-4, 6-0 | | match details | ||
| 21.07.14 | 1st round | Arata Onozawa | Anthony Jackie Tang | 6-4, 6-0 | | match details | Hong Kong | Hard |
| 21.07.14 | 2nd round | Arata Onozawa | Thomas Le Boulch | 6-2, 7-5 | | match details | ||
| 21.07.14 | 1/4 | Kento Takeuchi | Arata Onozawa | 6-4, Arata Onozawa - retired | | match details | ||
| 14.07.14 | 1/4 | Evan Song | Arata Onozawa | 6-1, 6-0 | | match details | Hong Kong | Hard |
| 14.07.14 | 1st round | Arata Onozawa | Chak Pong Marco Lam | 6-2, 6-2 | | match details | ||
| 14.07.14 | 2nd round | Arata Onozawa | Min-Kyu Song | 4-6, 6-3, 6-3 | | match details | ||
| 09.06.14 | 2nd round | Chih-Jen Ho | Arata Onozawa | 6-4, 6-2 | | match details | Japan F6 | Hard |
| 09.06.14 | 1st round | Arata Onozawa | Soichiro Moritani | 6-1, 7-62 | | match details | ||
| 02.06.14 | 1st round | Patcharapol Kawin | Arata Onozawa | 6-3, 3-3, Arata Onozawa - retired | | match details | Thailand F6 | Hard |
| 26.05.14 | 2nd round | Arata Onozawa | Chayanon Kaewsuto | 6-0, 6-4 | | match details | Thailand F5 | Hard |
| 26.05.14 | 1/4 | Jacob Grills | Arata Onozawa | 6-3, 6-1 | | match details | ||
| 26.05.14 | 1st round | Arata Onozawa | Warit Sornbutnark | 7-65, 6-1 | | match details | ||
| 19.05.14 | 1st round | Dane Chuntraruk | Arata Onozawa | 6-3, 6-4 | | match details | Thailand F4 | Hard |
| 19.04.14 | q 1 | Shuichi Sekiguchi | Arata Onozawa | 6-3, 7-65 | | match details | Shenzhen Challenger | Hard |
| 31.03.14 | 1st round | Ko Suzuki | Arata Onozawa | 6-4, 2-1, Arata Onozawa - retired | | match details | Japan F4 | Hard |
| 24.03.14 | 1st round | Keita Koyama | Arata Onozawa | 6-3, 6-4 | | match details | Japan F3 | Hard |
| 10.03.14 | 2nd round | Di Wu | Arata Onozawa | 6-3, 6-0 | | match details | Japan F1 | Hard |
| 10.03.14 | 1st round | Arata Onozawa | Masaki Osafune | 4-6, 6-1, 6-3 | | match details | ||
| 17.02.14 | 1st round | Arata Onozawa | Hiroki Kondo | 0-6, 6-4, 6-2 | | match details | Thailand F2 | Hard |
| 17.02.14 | 2nd round | Gregoire Barrere | Arata Onozawa | 7-65, 6-4 | | match details | ||
| 10.02.14 | 1/4 | Ji Sung Nam | Arata Onozawa | 6-3, 3-6, 6-2 | | match details | Thailand F1 | Hard |
| 10.02.14 | 1st round | Arata Onozawa | Nawakarn Khunjan | 7-5, 6-2 | | match details | ||
| 10.02.14 | 2nd round | Arata Onozawa | Ivo Klec | 7-61, 6-3 | | match details | ||
| 09.12.13 | 2nd round | Toshihide Matsui | Arata Onozawa | 6-3, 1-6, 7-65 | | match details |  Cambodia F3 | Hard |
| 09.12.13 | 1st round | Arata Onozawa | Thomas Shubert | 7-63, 6-4 | | match details | ||
| 02.12.13 | 1st round | Robin Olin | Arata Onozawa | 7-5, 6-0 | | match details | Cambodia F2 | Hard |
| 25.11.13 | 2nd round | Hiroki Kondo | Arata Onozawa | 6-3, 6-2 | | match details | Cambodia F1 | Hard |
| 25.11.13 | 1st round | Arata Onozawa | Kenny Bun | 7-5, 6-1 | | match details | ||
| 26.10.13 | q 1 | Marcus Daniell | Arata Onozawa | 6-2, 6-3 | | match details |  Seoul Challenger | Hard |
| 16.09.13 | qual. | Yuki Bhambri | Arata Onozawa | 7-5, 6-1 | | match details | Kaoshuing Challenger | Hard |
| 15.09.13 | q 2 | Arata Onozawa | Kelsey Stevenson | 6-1, 6-3 | | match details | ||
| 14.09.13 | q 1 | Arata Onozawa | Kuan-I Lee | 6-1, 6-1 | | match details | ||
| 26.08.13 | 2nd round | Chih-Jen Ho | Arata Onozawa | 2-6, 6-4, 6-0 | | match details | Chinese Taipei | Hard |
| 26.08.13 | 1st round | Arata Onozawa | Yu Hsiang Chiu | 4-6, 6-3, 6-1 | | match details | ||
| 12.08.13 | 2nd round | Shuichi Sekiguchi | Arata Onozawa | 1-0, Arata Onozawa - retired | | match details | China F7 | Hard |
| 12.08.13 | 1st round | Arata Onozawa | Xiaolei Yang | 6-0, 6-2 | | match details | ||
| 05.08.13 | 2nd round | Jung-Woong Na | Arata Onozawa | 6-1, 6-4 | | match details | China F6 | Hard |
| 05.08.13 | 1st round | Arata Onozawa | Yuqing Ning | 6-0, 6-1 | | match details | ||
| 01.07.13 | 2nd round | Arata Onozawa | Thomas Shubert | 7-5, 7-66 | | match details | Japan F8 | Hard |
| 01.07.13 | 1/2 | Takao Suzuki | Arata Onozawa | 6-4, 6-3 | | match details | ||
| 01.07.13 | 1/4 | Arata Onozawa | Toshihide Matsui | 6-2, 1-6, 6-3 | | match details | ||
| 01.07.13 | 1st round | Arata Onozawa | Daiki Kondo | 6-1, 6-2 | | match details | ||
| 03.06.13 | 1st round | Arata Onozawa | Nut Rungsithmongkol | 6-3, 6-1 | | match details | Thailand F3 | Hard |
| 03.06.13 | 2nd round | Arata Onozawa | Phassawit Burapharitta | 6-1, 4-6, 7-5 | | match details | ||
| 03.06.13 | 1/4 | Andrew Harris | Arata Onozawa | 2-6, 6-2, 6-3 | | match details | ||
| 27.05.13 | 2nd round | Andrew Harris | Arata Onozawa | 6-3, 6-4 | | match details | Thailand F2 | Hard |
| 27.05.13 | 1st round | Arata Onozawa | Thomas Shubert | Thomas Shubert - retired | | match details | ||
| 20.05.13 | 1st round | Karunuday Singh | Arata Onozawa | 6-3, 6-2 | | match details | Thailand F1 | Hard |
| 06.05.13 | 2nd round | Arata Onozawa | Igor Smilansky | 6-4, 6-3 | | match details |  Israel F9 | Hard |
| 06.05.13 | 1/4 | Arata Onozawa | Mor Bulis | 6-1, 6-2 | | match details | ||
| 06.05.13 | 1st round | Arata Onozawa | Stepan Khotulev | 6-4, 6-4 | | match details | ||
| 06.05.13 | 1/2 | James Marsalek | Arata Onozawa | 6-2, 7-5 | | match details | ||
| 29.04.13 | 1st round | Shuichi Sekiguchi | Arata Onozawa | 6-3, 7-5 | | match details | Israel F8 | Hard |
| 22.04.13 | 2nd round | Nico Matic | Arata Onozawa | 6-4, 2-6, 6-4 | | match details | Israel F7 | Hard |
| 22.04.13 | 1st round | Arata Onozawa | Dor Belfer | 6-4, 6-3 | | match details | ||
| 01.04.13 | 1st round | Masato Shiga | Arata Onozawa | 7-64, 3-6, 6-4 | | match details | Japan F4 | Hard |
| 25.03.13 | 1st round | Arata Onozawa | Daiki Kondo | 6-4, 6-0 | | match details | Japan F3 | Hard |
| 25.03.13 | 2nd round | Hyun-Woo Nam | Arata Onozawa | 6-3, 7-5 | | match details | ||
| 11.03.13 | 2nd round | Liang-Chi Huang | Arata Onozawa | 6-4, 7-63 | | match details | Japan F1 | Hard |
| 11.03.13 | 1st round | Arata Onozawa | Sho Katayama | 6-4, 6-3 | | match details | ||
| 14.01.13 | q 1 | Arata Onozawa | Andrei Levine | 6-2, 6-1 | | match details | Turkey F2 | Hard |
| 14.01.13 | qual. | Bowen Ouyang | Arata Onozawa | 6-4, 1-0, Arata Onozawa - retired | | match details | ||
| 14.01.13 | q 2 | Arata Onozawa | Xin Gao | 6-4, 6-1 | | match details | ||
| 07.01.13 | 2nd round | Mao-Xin Gong | Arata Onozawa | 6-76, 6-3, 6-3 | | match details | Turkey F1 | Hard |
| 07.01.13 | 1st round | Arata Onozawa | Yaraslav Shyla | 6-1, 6-3 | | match details | ||
| 15.10.12 | 1st round | Sho Katayama | Arata Onozawa | 6-3, 6-3 | | match details | Japan F9 | Hard |
| 08.10.12 | 1st round | Sho Katayama | Arata Onozawa | 6-4, 6-3 | | match details | Japan F8 | Hard |
| 24.09.12 | 2nd round | Junn Mitsuhashi | Arata Onozawa | 6-3, 6-4 | | match details | Vietnam F6 | Hard |
| 24.09.12 | 1st round | Arata Onozawa | Kaza Vinayak Sharma | 6-1, 6-1 | | match details | ||
| 17.09.12 | 1st round | Zhe Li | Arata Onozawa | 7-5, 6-2 | | match details | Vietnam F5 | Hard |
| 10.09.12 | 2nd round | Sidharth Rawat | Arata Onozawa | 6-3, 6-2 | | match details | Vietnam F4 | Hard |
| 10.09.12 | 1st round | Arata Onozawa | Fei Yun Liao | 7-5, 6-2 | | match details | ||
| 27.08.12 | q 2 | Harel Srugo | Arata Onozawa | 6-4, 6-73, 6-3 | | match details | Bangkok Challenger | Hard |
| 27.08.12 | q 1 | Arata Onozawa | Hsien-Yin Peng | 6-2, 6-3 | | match details | ||
| 30.07.12 | q 2 | Arata Onozawa | Yu Cheng Li | 6-2, 6-0 | | match details | Beijing Challenger | Hard |
| 30.07.12 | qual. | Yuuya Kibi | Arata Onozawa | 6-2, 6-3 | | match details | ||
| 30.07.12 | q 1 | Arata Onozawa | Su Hao Zhong | 6-2, 6-2 | | match details | ||
| 23.07.12 | qual. | Adam Feeney | Arata Onozawa | 6-2, 6-0 | | match details | Wuhan Challenger | Hard |
| 23.07.12 | q 2 | Arata Onozawa | Zhuo Zhang | 6-2, 6-1 | | match details | ||
| 21.05.12 | 1st round | Arata Onozawa | Bei Liu | 6-2, 6-1 | | match details | China F8 | Hard |
| 21.05.12 | 1/4 | Zhe Li | Arata Onozawa | 6-3, 6-1 | | match details | ||
| 21.05.12 | 2nd round | Arata Onozawa | Xiao Gong | 6-4, 6-1 | | match details | ||
| 14.05.12 | 1st round | Arata Onozawa | Jun-Chao Xu | 6-2, 6-2 | | match details | China F7 | Hard |
| 14.05.12 | 2nd round | Arata Onozawa | Zhaoyi Cao | 6-3, 4-6, 6-0 | | match details | ||
| 14.05.12 | 1/4 | Yan Bai | Arata Onozawa | 7-5, 6-3 | | match details | ||
| 07.05.12 | 2nd round | Arata Onozawa | Abdullah Maqdes | 6-3, 7-5 | | match details | Thailand F1 | Hard |
| 07.05.12 | 1/4 | Luke Saville | Arata Onozawa | 6-2, 4-6, 6-3 | | match details | ||
| 07.05.12 | 1st round | Arata Onozawa | Jean Andersen | 6-2, 6-1 | | match details | ||
| 16.04.12 | 2nd round | Mao-Xin Gong | Arata Onozawa | 6-4, 6-1 | | match details | China F6 | Hard |
| 16.04.12 | 1st round | Arata Onozawa | Siyu Liu | 6-2, 7-5 | | match details | ||
| 09.04.12 | 1/4 | Zhe Li | Arata Onozawa | 5-0, Arata Onozawa - retired | | match details | China F5 | Hard |
| 09.04.12 | 2nd round | Arata Onozawa | Yusuke Watanuki | 6-3, 6-4 | | match details | ||
| 09.04.12 | 1st round | Arata Onozawa | Xin Gao | 6-4, 6-4 | | match details | ||
| 02.04.12 | 1st round | Luke Saville | Arata Onozawa | 5-7, 6-2, 6-3 | | match details | Japan F4 | Hard |
| 19.03.12 | 2nd round | Sho Katayama | Arata Onozawa | 6-4, 6-4 | | match details | Japan F2 | Hard |
| 19.03.12 | 1st round | Arata Onozawa | Takeshi Endo | 6-0, 6-3 | | match details | ||
| 12.03.12 | 1/4 | Shota Tagawa | Arata Onozawa | 7-62, 3-6, 6-4 | | match details | Japan F1 | Hard |
| 12.03.12 | 2nd round | Arata Onozawa | Yusuke Watanuki | 6-2, 6-3 | | match details | ||
| 12.03.12 | 1st round | Arata Onozawa | Lucas Renard | 6-3, 6-2 | | match details | ||
| 05.03.12 | 1st round | Arata Onozawa | Rakshay Thakkar | 6-4, 6-1 | | match details |  India F3 | Hard |
| 05.03.12 | 2nd round | Saketh-Sai Myneni | Arata Onozawa | 6-1, 6-0 | | match details | ||
| 27.02.12 | 2nd round | Arata Onozawa | Chieh-Fu Wang | 6-4, 6-3 | | match details | India F2 | Hard |
| 27.02.12 | 1/4 | Shuichi Sekiguchi | Arata Onozawa | 6-4, 6-4 | | match details | ||
| 27.02.12 | 1st round | Arata Onozawa | Vivek Shokeen | 6-2, 6-1 | | match details | ||
| 20.02.12 | 1/4 | Ranjeet Virali-Murugesan | Arata Onozawa | 6-3, 6-2 | | match details | India F1 | Hard |
| 20.02.12 | 1st round | Arata Onozawa | Abhijeet Tiwari | 7-5, 6-2 | | match details | ||
| 20.02.12 | 2nd round | Arata Onozawa | Matthieu Vierin | 6-2, 6-2 | | match details | ||
| 09.01.12 | 1st round | Zhe Li | Arata Onozawa | 6-1, 6-4 | | match details | China F2 | Hard |
| 02.01.12 | 1st round | Kittiphong Wachiramanowong | Arata Onozawa | 6-3, 6-3 | | match details | China F1 | Hard |
| 24.10.11 | 2nd round | Arata Onozawa | Kirati Siributwong | 6-3, 6-4 | | match details |  Laos F1 | Hard |
| 24.10.11 | 1/4 | Woong-Sun Jun | Arata Onozawa | 7-5, 6-2 | | match details | ||
| 24.10.11 | 1st round | Arata Onozawa | Nuttanon Kadchapanan | 6-4, 6-1 | | match details | ||
| 03.10.11 | 1st round | Jimmy Wang | Arata Onozawa | 6-4, 3-6, 6-1 | | match details |  Indonesia F5 | Hard |
| 26.09.11 | 1st round | Arata Onozawa | Rohan Gajjar | 6-3, 6-4 | | match details | Indonesia F4 | Hard |
| 26.09.11 | 2nd round | Yuki Bhambri | Arata Onozawa | 6-0, 2-6, 6-0 | | match details | ||
| 05.09.11 | q 1 | Arata Onozawa | Yuichi Ito | 6-2, 1-6, 6-0 | | match details | Shanghai Challenger | Hard |
| 05.09.11 | q 2 | Denys Molchanov | Arata Onozawa | 6-3, 6-4 | | match details | ||
| 29.08.11 | q 1 | Jose Statham | Arata Onozawa | 6-1, 3-6, 6-4 | | match details | Bangkok Challenger | Hard |
| 08.08.11 | 1st round | Arata Onozawa | Yuki Matsuo | 6-4, 6-2 | | match details |  Kazakhstan F5 | Hard |
| 08.08.11 | 2nd round | Arata Onozawa | Ilia Starkov | 4-6, 6-3, 6-3 | | match details | ||
| 08.08.11 | 1/2 | Mohamed Safwat | Arata Onozawa | 5-7, 6-2, 6-2 | | match details | ||
| 08.08.11 | 1/4 | Arata Onozawa | Vijayant Malik | 6-4, 6-3 | | match details | ||
| 01.08.11 | 1/4 | Ranjeet Virali-Murugesan | Arata Onozawa | 6-1, 6-2 | | match details | Kazakhstan F4 | Hard |
| 01.08.11 | 1st round | Arata Onozawa | Daniyal Zagidullin | 6-1, 6-1 | | match details | ||
| 01.08.11 | 2nd round | Arata Onozawa | Dmitriy Makeyev | 4-6, 6-0, 6-0 | | match details | ||
| 11.07.11 | 1st round | Kento Takeuchi | Arata Onozawa | 6-3, 6-2 | | match details | Chinese Taipei | Hard |
| 04.07.11 | 1st round | Liang-Chi Huang | Arata Onozawa | 5-7, 6-1, 6-1 | | match details | Chinese Taipei | Hard |
| 13.06.11 | 1/4 | Arata Onozawa | Hsin-Han Lee | 6-4, 6-4 | | match details | Japan F6 | Hard |
| 13.06.11 | 1/2 | Hiroki Moriya | Arata Onozawa | 6-2, 6-1 | | match details | ||
| 13.06.11 | 1st round | Arata Onozawa | Kento Takeuchi | 6-4, 6-4 | | match details | ||
| 13.06.11 | 2nd round | Arata Onozawa | Yuuya Kibi | 7-64, 6-3 | | match details | ||
| 30.05.11 | fin | Christopher Rungkat | Arata Onozawa | 7-65, 7-65 | | match details | Indonesia F2 | Hard |
| 30.05.11 | 1/2 | Arata Onozawa | Kento Takeuchi | 6-3, 6-4 | | match details | ||
| 30.05.11 | 1st round | Arata Onozawa | Cheng-Peng Hsieh | 6-1, 7-62 | | match details | ||
| 30.05.11 | 2nd round | Arata Onozawa | Weerapat Doakmaiklee | 6-2, 6-1 | | match details | ||
| 30.05.11 | 1/4 | Arata Onozawa | Richard Becker | 4-2, Richard Becker - retired | | match details | ||
| 23.05.11 | 1/4 | Arata Onozawa | Hsin-Han Lee | 6-1, 6-4 | | match details | Indonesia F1 | Hard |
| 23.05.11 | 1st round | Arata Onozawa | Bowen Ouyang | 3-6, 6-0, 6-0 | | match details | ||
| 23.05.11 | 2nd round | Arata Onozawa | Ega Uneputty | 7-60, 6-2 | | match details | ||
| 23.05.11 | 1/2 | Christopher Rungkat | Arata Onozawa | 6-3, 7-65 | | match details | ||
| 09.05.11 | 2nd round | Arata Onozawa | Ilia Shatskiy | 6-3, 6-2 | | match details | Kazakhstan F3 | Hard |
| 09.05.11 | 1/4 | Ervand Gasparyan | Arata Onozawa | 6-3, 6-3 | | match details | ||
| 09.05.11 | 1st round | Arata Onozawa | Vitali Reshetnikov | 6-0, 7-66 | | match details | ||
| 02.05.11 | 1st round | Mikhail Biryukov | Arata Onozawa | 1-6, 6-3, 7-5 | | match details | Kazakhstan F2 | Hard |
| 25.04.11 | 1st round | Arata Onozawa | Mikhail Fufygin | 4-6, 6-0, 6-2 | | match details | Kazakhstan F1 | Hard |
| 25.04.11 | 2nd round | Leonard Stakhovsky | Arata Onozawa | 7-61, 7-5 | | match details | ||
| 11.04.11 | 1st round | Arata Onozawa | Kirati Siributwong | 6-2, 6-2 | | match details | Thailand F3 | Hard |
| 11.04.11 | 2nd round | Jae-Sung An | Arata Onozawa | 6-3, 6-2 | | match details | ||
| 04.04.11 | 2nd round | Alexander Ward | Arata Onozawa | 6-4, 6-3 | | match details | Thailand F2 | Hard |
| 04.04.11 | 1st round | Arata Onozawa | Jae-Sung An | 6-3, 6-2 | | match details | ||
| 31.01.11 | 2nd round | Arata Onozawa | Vijayant Malik | 6-4, 6-4 | | match details | Cambodia F2 | Hard |
| 31.01.11 | 1/4 | Arata Onozawa | Peng Gao | 6-2, 1-6, 6-1 | | match details | ||
| 31.01.11 | 1/2 | N. Vijay Sundar Prashanth | Arata Onozawa | 6-2, 7-5 | | match details | ||
| 31.01.11 | 1st round | Arata Onozawa | Liang-Chi Huang | 6-2, 6-3 | | match details | ||
| 24.01.11 | 1st round | Nikolaus Moser | Arata Onozawa | 4-6, 7-5, 7-5 | | match details | Cambodia F1 | Hard |
| 10.01.11 | 1st round | Cheong-Eui Kim | Arata Onozawa | 6-2, 6-4 | | match details | China F1 | Hard |
| 15.11.10 | 1st round | Arata Onozawa | Peng Gao | 6-1, 6-0 | | match details | Thailand F5 | Hard |
| 15.11.10 | 2nd round | Arata Onozawa | Dong-Whee Choi | 6-2, 3-0, Dong-Whee Choi - retired | | match details | ||
| 15.11.10 | 1/4 | Hiroki Moriya | Arata Onozawa | 6-2, 6-1 | | match details | ||
| 08.11.10 | 1st round | Arata Onozawa | Peng Gao | 6-1, 6-3 | | match details | Thailand F4 | Hard |
| 08.11.10 | 2nd round | Arata Onozawa | Sean Berman | 7-5, 6-0 | | match details | ||
| 08.11.10 | 1/4 | Arata Onozawa | Matt Simpson | 6-2, 6-3 | | match details | ||
| 08.11.10 | fin | Yuichi Sugita | Arata Onozawa | 6-4, 6-2 | | match details | ||
| 08.11.10 | 1/2 | Arata Onozawa | Cheong-Eui Kim | 6-4, 7-5 | | match details | ||
| 18.10.10 | 2nd round | Toshihide Matsui | Arata Onozawa | 6-3, 6-1 | | match details | Japan F10 | Hard |
| 18.10.10 | 1st round | Arata Onozawa | Ken Onoda | 6-2, 6-3 | | match details | ||
| 11.10.10 | 2nd round | Ti Chen | Arata Onozawa | 2-6, 7-5, 6-2 | | match details | Japan F9 | Hard |
| 11.10.10 | 1st round | Arata Onozawa | Tasuku Iwami | 7-63, 7-63 | | match details | ||
| 13.09.10 | 1st round | Ti Chen | Arata Onozawa | 4-6, 7-63, 6-1 | | match details | Australia F6 | Hard |
| 06.09.10 | 1st round | Dayne Kelly | Arata Onozawa | 6-75, 6-0, 6-4 | | match details | Australia F5 | Hard |
| 16.08.10 | 1st round | Suk-Young Jeong | Arata Onozawa | 6-1, 3-2, Arata Onozawa - retired | | match details | Thailand F3 | Hard |
| 09.08.10 | 1st round | Vijayant Malik | Arata Onozawa | 4-6, 6-4, 6-2 | | match details | Thailand F2 | Hard |
| 26.07.10 | 1/4 | Arata Onozawa | Dovydas Sakinis | 6-4, 2-1, Dovydas Sakinis - retired | | match details |  USA F20 | Hard |
| 26.07.10 | 1st round | Arata Onozawa | Ruben Gonzales | 6-4, 0-1, Ruben Gonzales - retired | | match details | ||
| 26.07.10 | 1/2 | Robbye Poole | Arata Onozawa | 4-6, 6-3, 6-2 | | match details | ||
| 26.07.10 | 2nd round | Arata Onozawa | Bumpei Sato | 6-1, 6-3 | | match details | ||
| 19.07.10 | 1st round | Dennis Zivkovic | Arata Onozawa | 7-5, 6-2 | | match details | USA F19 | Hard |
| 31.05.10 | 2nd round | Arata Onozawa | Hyung-Chan Lim | 4-6, 6-3, 6-1 | | match details |  Guam F1 | Hard |
| 31.05.10 | 1st round | Arata Onozawa | Daniel Llarenas | 6-3, 6-1 | | match details | ||
| 31.05.10 | 1/4 | Tasuku Iwami | Arata Onozawa | 7-68, 6-2 | | match details | ||
| 05.04.10 | 2nd round | Arata Onozawa | Kosuke Naruse | 6-2, 6-4 | | match details | Japan F4 | Hard |
| 05.04.10 | 1/2 | Yasutaka Uchiyama | Arata Onozawa | 7-64, 6-0 | | match details | ||
| 05.04.10 | 1/4 | Arata Onozawa | Bumpei Sato | 6-1, 6-4 | | match details | ||
| 05.04.10 | 1st round | Arata Onozawa | Joss Espasandin | 6-2, 6-1 | | match details | ||
| 29.03.10 | 2nd round | Chu-Huan Yi | Arata Onozawa | 7-5, 6-3 | | match details | Japan F3 | Hard |
| 29.03.10 | 1st round | Arata Onozawa | Masatoshi Miyazaki | 6-3, 5-7, 6-0 | | match details | ||
| 22.03.10 | 1st round | Masato Hatanaka | Arata Onozawa | 4-6, 6-3, 6-0 | | match details | Japan F2 | Hard |
| 15.03.10 | 2nd round | Arata Onozawa | Kazuya Tamura | 6-3, 6-2 | | match details | Japan F1 | Hard |
| 15.03.10 | 1/4 | Maciek Sykut | Arata Onozawa | 3-6, 6-1, 6-2 | | match details | ||
| 15.03.10 | 1st round | Arata Onozawa | Mikal Statham | 6-3, 6-2 | | match details | ||
| 16.11.09 | qual. | Ti Chen | Arata Onozawa | 7-610, 6-4 | | match details | Yokohama Challenger | Hard |
| 16.11.09 | q 1 | Arata Onozawa | Jun Ito | 6-1, 6-0 | | match details | ||
| 16.11.09 | q 2 | Arata Onozawa | Yugo Inoue | 3-6, 7-63, 6-4 | | match details | ||
| 12.10.09 | 1st round | Yuya Tomisaki | Arata Onozawa | 5-7, 6-3, 6-2 | | match details | Japan F8 | Hard |
| 28.09.09 | 2nd round | Arata Onozawa | Syrym Abdukhalikov | 6-4, 6-4 | | match details | Kazakhstan F4 | Hard |
| 28.09.09 | 1/4 | Sarvar Ikramov | Arata Onozawa | 7-67, 6-2 | | match details | ||
| 28.09.09 | 1st round | Arata Onozawa | Maxim Kanakov | 6-2, 6-0 | | match details | ||
| 31.08.09 | 1st round | Rupesh Roy | Arata Onozawa | 6-3, 6-4 | | match details | India F9 | Hard |
| 17.08.09 | 2nd round | Amir Weintraub | Arata Onozawa | 6-3, 6-4 | | match details | China F7 | Hard |
| 17.08.09 | 1st round | Arata Onozawa | Hsien-Yin Peng | 4-6, 6-4, 3-0, Hsien-Yin Peng - retired | | match details | ||
| 10.08.09 | 1st round | Xin-Yuan Yu | Arata Onozawa | 6-76, 7-5, 6-0 | | match details | China F6 | Hard |
| 03.08.09 | 1st round | Yuichi Ito | Arata Onozawa | 6-0, 6-1 | | match details | China F5 | Hard |
| 20.07.09 | 1st round | Oh-Hee Kwon | Arata Onozawa | 6-1, 6-4 | | match details | Korea F6 | Hard |
| 13.07.09 | 1st round | Jae-Sung An | Arata Onozawa | 7-5, 6-4 | | match details | Korea F5 | Hard |
| 11.05.09 | 1st round | Xin-Yuan Yu | Arata Onozawa | 6-3, 6-3 | | match details | China F4 | Hard |
| 27.04.09 | 1st round | Peerakit Siributwong | Arata Onozawa | 4-6, 7-64, 6-0 | | match details | India F4 | Hard |
| 20.04.09 | 1st round | Sean Thornley | Arata Onozawa | 7-5, 7-5 | | match details | India F3 | Hard |
| 30.03.09 | 1st round | Arata Onozawa | Hiroki Moriya | 6-4, 6-3 | | match details | Japan F3 | Hard |
| 30.03.09 | 2nd round | Hiroki Kondo | Arata Onozawa | 6-1, 6-2 | | match details | ||
| 16.03.09 | 2nd round | Tasuku Iwami | Arata Onozawa | 6-3, 3-6, 6-1 | | match details | Japan F1 | Hard |
| 16.03.09 | 1st round | Arata Onozawa | Tetsuya Chaen | 7-68, 6-2 | | match details | ||
| 17.11.08 | q 1 | Arata Onozawa | Hirokazu Tanaka | 6-1, 6-0 | | match details | Yokohama | Hard |
| 17.11.08 | q 2 | Arata Onozawa | Takahiro Inoue | 4-6, 6-1, 6-4 | | match details | ||
| 17.11.08 | qual. | Bumpei Sato | Arata Onozawa | 6-3, 6-4 | | match details | ||
| 20.10.08 | 1st round | Junn Mitsuhashi | Arata Onozawa | 6-2, 6-3 | | match details | Japan F11 | Hard |
| 13.10.08 | 2nd round | Yuichi Sugita | Arata Onozawa | 6-1, 6-4 | | match details | Japan F10 | Hard |
| 13.10.08 | 1st round | Arata Onozawa | Hyung-Tae Kwon | 2-6, 6-3, 7-66 | | match details | ||
| 15.09.08 | 1st round | Arata Onozawa | Kujtim Bajrami | 6-1, 6-3 | | match details | Thailand F6 | Hard |
| 15.09.08 | 2nd round | Kirati Siributwong | Arata Onozawa | 6-2, 7-5 | | match details | ||
| 08.09.08 | 1st round | Nathan Thompson | Arata Onozawa | 6-4, 6-2 | | match details | Thailand F5 | Hard |
| 01.09.08 | 1st round | Byung-Kook Kang | Arata Onozawa | 7-5, 6-0 | | match details | Thailand F4 | Hard |
| 11.08.08 | 1st round | Perakiat Siriluethaiwattana | Arata Onozawa | 6-3, 6-2 | | match details | Indonesia F3 | Hard |
| 14.07.08 | 1st round | Arata Onozawa | Jiri Krkoska | 6-3, 6-3 | | match details |  Syria F2 | Hard |
| 14.07.08 | 2nd round | Alexander Somogyi | Arata Onozawa | 7-5, 4-6, 6-3 | | match details | ||
| 30.06.08 | 1st round | Peng Sun | Arata Onozawa | 6-1, 7-5 | | match details | Japan F7 | Hard |
| 19.05.08 | 1st round | Junn Mitsuhashi | Arata Onozawa | 7-64, 6-1 | | match details | Korea F4 | Hard |
| 12.05.08 | 1st round | Toshihide Matsui | Arata Onozawa | 7-68, 4-6, 6-1 | | match details | Korea F3 | Hard |
| 05.05.08 | 1st round | Kyu-Tae Im | Arata Onozawa | 6-3, 6-4 | | match details | Korea F2 | Hard |
| 21.04.08 | 1st round | Satoshi Iwabuchi | Arata Onozawa | 6-2, 6-2 | | match details | China F4 | Hard |
| 14.04.08 | 2nd round | Mao-Xin Gong | Arata Onozawa | 6-2, 6-2 | | match details | China F3 | Hard |
| 14.04.08 | 1st round | Arata Onozawa | Peng Sun | 2-6, 6-2, 6-4 | | match details | ||
| 31.03.08 | 2nd round | Yuichi Ito | Arata Onozawa | 6-3, 6-1 | | match details | Japan F3 | Hard |
| 31.03.08 | 1st round | Arata Onozawa | Sho Katayama | 7-5, 6-4 | | match details | ||
| 24.03.08 | 1st round | G.D. Jones | Arata Onozawa | 7-66, 6-4 | | match details | Japan F2 | Hard |
| 17.03.08 | 2nd round | Arata Onozawa | Yan Bai | 7-65, 7-64 | | match details | Japan F1 | Hard |
| 17.03.08 | 1/4 | Tasuku Iwami | Arata Onozawa | 6-2, 6-1 | | match details | ||
| 17.03.08 | 1st round | Arata Onozawa | Masato Hatanaka | 6-2, 6-4 | | match details | ||
| 03.03.08 | 1st round | Marcus Daniell | Arata Onozawa | 6-2, 6-1 | | match details |  New Zeland | Hard |
| 25.02.08 | 2nd round | Raphael Durek | Arata Onozawa | 6-3, 6-76, 6-2 | | match details | New Zeland | Hard |
| 25.02.08 | 1st round | Arata Onozawa | Mikal Statham | 7-64, 1-6, 6-3 | | match details | ||
| 19.11.07 | q 1 | Arata Onozawa | Kazuya Ono | 6-0, 6-0 | | match details | Yokohama | Hard |
| 19.11.07 | q 2 | Ko Suzuki | Arata Onozawa | 7-64, 1-6, 7-63 | | match details | ||
| 22.10.07 | 1st round | Kento Takeuchi | Arata Onozawa | 6-3, 6-2 | | match details | Japan F11 | Hard |
| 15.10.07 | 1st round | Arata Onozawa | Masato Hatanaka | 7-5, 1-6, 7-5 | | match details | Japan F10 | Hard |
| 15.10.07 | 2nd round | Oh-Hee Kwon | Arata Onozawa | 6-1, 6-3 | | match details | ||
| 10.09.07 | 1st round | Gouichi Motomura | Arata Onozawa | 3-6, 6-4, 6-0 | | match details | Japan F8 | Hard |
| 06.08.07 | 2nd round | Aqeel Khan | Arata Onozawa | 5-3, Arata Onozawa - retired | | match details | India F8 | Hard |
| 06.08.07 | 1st round | Arata Onozawa | Yannick Nelord | 6-4, 6-2 | | match details | ||
| 30.07.07 | 1st round | Yu Jr. Wang | Arata Onozawa | 6-1, 7-5 | | match details | India F7 | Hard |
| 26.06.06 | 1st round | Yuichi Ito | Arata Onozawa | 6-4, 7-5 | | match details | Japan F8 | Hard |
