Name: Issei Okamura
Country: Japan
Birthdate: 26.05.92, 31 years
ATP ranking: 870
TOP ranking's position: 574 (08.08.16, 55 points)
Points: 15
Prize money: 59.670 $
Matches total: 443
Win: 211
%: 47.63 %
Country: Japan
Birthdate: 26.05.92, 31 years
ATP ranking: 870
TOP ranking's position: 574 (08.08.16, 55 points)
Points: 15
Prize money: 59.670 $
Matches total: 443
Win: 211
%: 47.63 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 8/9 | 8/9 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2023 | 18/24 | 17/18 | 0/4 | 1/2 | 0/0 | 0/0 | 0/0 |
| 2022 | 12/14 | 11/12 | 1/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2021 | 8/10 | 8/8 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2020 | 11/11 | 11/11 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 18/26 | 13/22 | 1/2 | 0/0 | 0/0 | 4/2 | 0/0 |
| 2018 | 28/27 | 23/21 | 4/4 | 1/1 | 0/1 | 0/0 | 0/0 |
| 2017 | 14/32 | 11/19 | 2/8 | 0/2 | 1/3 | 0/0 | 0/0 |
| 2016 | 33/33 | 19/22 | 13/7 | 0/2 | 1/2 | 0/0 | 0/0 |
| 2015 | 40/27 | 31/21 | 9/5 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2014 | 7/10 | 5/5 | 0/2 | 0/1 | 2/2 | 0/0 | 0/0 |
| 2013 | 12/7 | 12/6 | 0/0 | 0/0 | 0/1 | 0/0 | 0/0 |
| 2012 | 2/2 | 1/1 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 211/232 | 170/175 | 31/37 | 2/9 | 4/9 | 4/2 | 0/0 |
| perc. % | 47.63 % | 49.28 % | 45.59 % | 18.18 % | 30.77 % | 66.67 % | 0 % |
Issei Okamura / Fixtures
| no matches found |
Issei Okamura form / year 2019
Issei Okamura / year 2019
| 15.11.19 | 1st round | Mariano Kestelboim | Issei Okamura | 6-4, 6-1 |  | match details |  M15 Cancun | Hard |
| 05.11.19 | 1st round | Mateus Alves | Issei Okamura | 6-3, 6-2 | | match details | M15 Cancun | Hard |
| 15.10.19 | 1st round | Cheong-Eui Kim | Issei Okamura | 6-4, 4-6, 6-4 | | match details |  M15 Changwon | Hard |
| 08.10.19 | 1st round | Tristan Schoolkate | Issei Okamura | 6-3, 2-6, 6-4 | | match details |  M25 Toowoomba | Hard |
| 01.10.19 | 1st round | Tomas Barrios Vera | Issei Okamura | 6-4, 6-4 | | match details | M25 Brisbane | Hard |
| 25.09.19 | 1st round | Yu Hsiou Hsu | Issei Okamura | 6-0, 7-5 | | match details | M25 Darwin | Hard |
| 04.09.19 | 1st round | Bradley Mousley | Issei Okamura | 6-4, 7-5 | | match details |  M15 Hua | Hard |
| 03.09.19 | qual. | Issei Okamura | Uisung Park | 6-3, 6-4 |  | match details | ||
| 02.09.19 | q 1 | Issei Okamura | Bingyu Yu | 6-1, 6-2 | | match details | ||
| 29.08.19 | 2nd round | Yu Hsiou Hsu | Issei Okamura | 6-2, 6-0 | | match details | M15 Hua | Hard |
| 28.08.19 | 1st round | Issei Okamura | Soichiro Moritani | 6-4, 3-6, 6-3 | | match details | ||
| 21.08.19 | 1st round | Yu Hsiou Hsu | Issei Okamura | 6-2, 6-1 | | match details | M15 Hua | Hard |
| 05.08.19 | 1st round | Jie Cui | Issei Okamura | 6-3, 6-3 | | match details |  Yokkaichi Challenger | Hard |
| 29.07.19 | 1st round | Yusuke Takahashi | Issei Okamura | 6-1, 6-2 | | match details |  Chengdu Challenger | Hard |
| 22.07.19 | 1st round | Takanyi Garanganga | Issei Okamura | 6-4, 6-4 | | match details |  Granby Challenger | Hard |
| 08.07.19 | 1st round | Justin Boulais | Issei Okamura | 6-2, 7-5 | | match details | Winnipeg Challenger | Hard |
| 05.06.19 | 1st round | Seita Watanabe | Issei Okamura | 6-4, 7-65 | | match details | M15 Daegu | Hard |
| 30.05.19 | 2nd round | Wei Qiang Zheng | Issei Okamura | 2-6, 6-2, 6-0 | | match details | M25 Luzhou | Hard |
| 29.05.19 | 1st round | Issei Okamura | Yu Hsiang Chiu | 6-4, 6-1 | | match details | ||
| 16.05.19 | 2nd round | Yu Hsiou Hsu | Issei Okamura | 6-3, 7-5 | | match details | M25 Luan | Hard |
| 14.05.19 | 1st round | Issei Okamura | Hiroyasu Ehara | 6-4, 6-2 | | match details | ||
| 07.05.19 | qual. | Tsung-Hao Huang | Issei Okamura | 6-3, 1-6, 10-8 | | match details | M25 Wuhan | Hard |
| 06.05.19 | q 1 | Issei Okamura | Bingyu Yu | 6-1, 6-2 | | match details | ||
| 12.04.19 | 2nd round | Shuichi Sekiguchi | Issei Okamura | 6-1, 6-0 | | match details | M25 Matsuyama | Hard |
| 11.04.19 | 1st round | Issei Okamura | Jumpei Yamasaki | 4-6, 7-5, 6-1 | | match details | ||
| 09.04.19 | qual. | Issei Okamura | Shota Iino | 6-2, 6-2 | | match details | ||
| 04.04.19 | 2nd round | Jumpei Yamasaki | Issei Okamura | 6-3, 6-2 | | match details | M15 Kashiwa | Hard |
| 02.04.19 | 1st round | Issei Okamura | Taisei Ichikawa | 5-7, 7-5, 7-5 | | match details | ||
| 27.03.19 | 1st round | Naoki Tajima | Issei Okamura | 6-3, 6-4 | | match details | M15 Tsukuba | Hard |
| 22.03.19 | 1/4 | Ryota Tanuma | Issei Okamura | 6-4, 6-2 | | match details | M15 Kofu | Hard |
| 21.03.19 | 2nd round | Issei Okamura | Takuya Kumasaka | 6-1, 6-2 | | match details | ||
| 19.03.19 | 1st round | Issei Okamura | Aoran Wang | 6-2, 4-6, 6-4 | | match details | ||
| 13.03.19 | 1st round | Rimpei Kawakami | Issei Okamura | 6-2, 6-1 | | match details | M15 Nishi | Hard |
| 12.03.19 | qual. | Issei Okamura | Hikaru Shiraishi | 6-2, 6-3 | | match details | ||
| 10.03.19 | q 1 | Issei Okamura | Li-Wie Tan | 6-4, 6-0 | | match details | ||
| 07.03.19 | 2nd round | Shuichi Sekiguchi | Issei Okamura | 6-3, 3-6, 6-2 | | match details | M25 Mildura | Grass |
| 06.03.19 | 1st round | Issei Okamura | Aaron Addison | 7-5, 6-2 | | match details | ||
| 28.02.19 | 2nd round | Alexander Crnokrak | Issei Okamura | 6-3, 6-2 | | match details | M25 Albury | Grass |
| 27.02.19 | 1st round | Issei Okamura | Colin Sinclair | 7-65, 2-6, 6-4 | | match details | ||
| 26.02.19 | qual. | Issei Okamura | Calum Puttergill | 6-3, 3-6, 10-6 | | match details | ||
| 24.02.19 | q 1 | Issei Okamura | Mislav Bosnjak | 6-2, 7-66 | | match details | ||
| 10.01.19 | 2nd round | Naoki Tajima | Issei Okamura | 4-6, 6-3, 6-4 | | match details | M15 Anning | Clay |
| 08.01.19 | 1st round | Issei Okamura | Ti Chen | 6-2, 7-5 | | match details | ||
| 01.01.19 | 1st round | Tao Mu | Issei Okamura | 3-6, 6-2, 7-5 | | match details | M15 Anning | Clay |
