Japan
21.09.88, 36 years
21.09.88, 36 years
Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Republic of Korea
31.12.88, 36 years
31.12.88, 36 years
Koichi Sano vs. Yo-Sub Yoon - H2H matches
| 31.08.15 | q 1 | Koichi Sano | Yo-Sub Yoon | 6-4, 6-3 | match details |  Korea F6 | Clay |
Koichi Sano form & Yo-Sub Yoon form
Koichi Sano - last matches
 Japan F6 - Hard | ||||
| 10.04.18 1st round | vs. Chuhan Wang | 4-6, 3-6 |  | match details |
| Japan F8 - Carpet | ||||
| 16.06.17 1/4 | vs. Sora Fukuda | 3-6, 1-6 | | match details |
| 15.06.17 2nd round | vs. Arata Onozawa | 2-6, 6-1, 6-0 |  | match details |
| 14.06.17 1st round | vs. Akito Higa | 6-3, 6-4 | | match details |
| Japan F5 - Hard | ||||
| 03.04.17 1st round | vs. Yuki Matsuo | 5-7, 6-712 | | match details |
| 03.04.17 qual. | vs. Rimpei Kawakami | 6-1, 6-2 | | match details |
| 03.04.17 q 1 | vs. Artem Vu | 6-2, 6-4 | | match details |
| Japan F4 - Hard | ||||
| 27.03.17 q 1 | vs. Yohei Ono | 3-6, 1-6 | | match details |
| Japan F3 - Hard | ||||
| 20.03.17 q 1 | vs. Yuki Matsuo | 4-6, 6-77 | | match details |
| Japan F2 - Hard | ||||
| 14.03.17 1st round | vs. Gengo Kikuchi | 2-6, 4-6 | | match details |
| 13.03.17 q 2 | vs. Kaito Itsusaki | 7-64, 6-1 | | match details |
| 13.03.17 qual. | vs. Collin Johns | 7-5, 4-6, 6-4 | | match details |
| Japan F1 - Hard | ||||
| 06.03.17 q 1 | vs. Kazuya Tamura | 6-3, 6-3 | | match details |
| 06.03.17 q 2 | vs. Yuga Tashiro | 2-6, 4-6 | | match details |
 Vietnam F5 - Hard | ||||
| 19.09.16 q 2 | vs. Shinta Fujii | 4-6, 3-6 | | match details |
| Vietnam F4 - Hard | ||||
| 11.09.16 1st round | vs. Arata Onozawa | 6-2, 6-79, 0-6 | | match details |
 China F13 - Clay | ||||
| 20.07.16 2nd round | vs. Issei Okamura | 0-6, 2-6 | | match details |
| 19.07.16 1st round | vs. Xi Qi | 6-2, 7-61 | | match details |
| China F12 - Clay | ||||
| 13.07.16 2nd round | vs. Soichiro Moritani | 7-65, 4-6, 1-6 | | match details |
| 12.07.16 1st round | vs. Zihao Xia | 7-63, 6-3 | | match details |
| Japan F8 - Carpet | ||||
| 13.06.16 qual. | vs. Kaito Uesugi | 2-6, 4-6 | | match details |
| 13.06.16 q 2 | vs. Yuhei Kono | 6-4, 6-1 | | match details |
| 13.06.16 q 1 | vs. Yuga Tashiro | 6-3, 7-5 | | match details |
| Japan F7 - Hard | ||||
| 08.06.16 2nd round | vs. Sho Katayama | 6-3, 2-6, 1-6 | | match details |
| 07.06.16 1st round | vs. Evan Song | 2-6, 7-5, 6-4 | | match details |
| 06.06.16 q 1 | vs. Genki Hosoya | 6-4, 6-1 | | match details |
| 06.06.16 qual. | vs. Masaki Sasai | 6-3, 7-5 | | match details |
 Guam F1 - Hard | ||||
| 24.05.16 2nd round | vs. Andrew Whittington | 4-6, 2-6 | | match details |
| 22.05.16 1st round | vs. Winter Meagher | 6-1, 6-2 | | match details |
| 23.05.16 qual. | vs. Yusuke Yoshikawa | 7-63, 6-3 | | match details |
Yo-Sub Yoon - last matches
| Korea F5 - Clay | ||||
| 26.06.17 q 1 | vs. Dong Ju Kim | 2-6, 1-6 | | match details |
| Korea F3 - Hard | ||||
| 12.06.17 q 1 | vs. Ku Keon Kang | 2-6, 2-6 | | match details |
| Korea F2 - Hard | ||||
| 05.06.17 q 1 | vs. Dong-Kyu Lee | 2-6, 1-6 | | match details |
| Korea F1 - Hard | ||||
| 29.05.17 q 1 | vs. Woo Hyeok Jang | 1-6, 2-6 | | match details |
 Indonesia F6 - Hard | ||||
| 10.04.17 q 1 | vs. Hyung-Chan Lim | 3-6, 2-6 | | match details |
| Indonesia F5 - Hard | ||||
| 03.04.17 q 1 | vs. Mihnea Lorin Stefan Turcu | 6-1, 3-6, 2-6 | | match details |
| Korea F8 - Clay | ||||
| 05.09.16 1st round | vs. Yong-Kyu Lim | 4-6, 1-6 | | match details |
| Korea F7 - Clay | ||||
| 30.08.16 1st round | vs. Jae-Min Seol | 1-6, 1-6 | | match details |
| Korea F6 - Clay | ||||
| 23.08.16 1st round | vs. Ju-Hae Moon | 0-6, 1-6 | | match details |
| Korea F4 - Hard | ||||
| 04.07.16 q 1 | vs. Chan-Yeong Oh | 2-6, 3-6 | | match details |
| Korea F3 - Hard | ||||
| 27.06.16 q 1 | vs. Ji Ha Kim | 4-6, 1-6 | | match details |
| Korea F2 - Hard | ||||
| 20.06.16 q 1 | vs. Gwang Hyeon Cho | 1-6, 1-6 | | match details |
| Korea F1 - Hard | ||||
| 13.06.16 q 1 | vs. Seong Uk Kim | 6-2, 6-1 | | match details |
| 13.06.16 q 2 | vs. Dae-Hee Lee | 5-7, 3-6 | | match details |
| Korea F7 - Clay | ||||
| 07.09.15 1st round | vs. Makoto Ochi | 2-6, 0-6 | | match details |
| Korea F6 - Clay | ||||
| 31.08.15 q 1 | vs. Koichi Sano | 4-6, 3-6 | | match details |
| Korea F5 - Hard | ||||
| 24.08.15 q 1 | vs. Seung Dong Kim | 6-4, 6-1 | | match details |
| 24.08.15 q 2 | vs. Seong-Gook Oh | 6-1, 1-6, 3-6 | | match details |
| Korea F4 - Hard | ||||
| 17.08.15 q 1 | vs. Seunghun Shin | 3-6, 0-6 | | match details |
| Korea F3 - Hard | ||||
| 10.08.15 q 1 | vs. Jaeyoung Park | 2-6, 1-6 | | match details |
| Korea F2 - Hard | ||||
| 25.05.15 q 1 | vs. Jae Won Yun | 4-6, 7-68, 4-6 | | match details |
| Korea F1 - Hard | ||||
| 18.05.15 q 1 | vs. Hyeong Don Kim | 7-65, 6-4 | | match details |
| 18.05.15 q 2 | vs. Jea Moon Lee | 3-6, 2-6 | | match details |
| Korea F12 - Clay | ||||
| 25.08.14 q 1 | vs. Hong-Soon Kim | 6-1, 6-4 | | match details |
| 25.08.14 1st round | vs. Soong-Jae Cho | 1-6, 1-6 | | match details |
| 25.08.14 q 2 | vs. Sung-Keun Jeong | 6-4, 6-1 | | match details |
| 25.08.14 qual. | vs. Byung-Kook Kang | 6-1, 6-0 | | match details |
| Korea F11 - Clay | ||||
| 18.08.14 1st round | vs. Jae-Won Choi | 2-6, 1-6 | | match details |
| Korea F10 - Hard | ||||
| 11.08.14 q 2 | vs. Hyun-Soo Lim | 6-73, 2-6 | | match details |
| 11.08.14 q 1 | vs. Hong-Soon Kim | 6-4, 6-4 | | match details |
