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 2015 / surface: Clay
Issei Okamura / year 2015 / surface: Clay
| 12.10.15 | 2nd round | Ching-Mou Yu | Issei Okamura | 6-3, 6-2 |  | match details |  Philippines F2 | Clay |
| 12.10.15 | 1st round | Issei Okamura | Ilya Vasilyev | 6-2, 2-6, 6-4 |  | match details | ||
| 05.10.15 | 1st round | Issei Okamura | Kaza Vinayak Sharma | 5-7, 6-0, 6-1 | | match details | Philippines F1 | Clay |
| 05.10.15 | 2nd round | Issei Okamura | Katsuki Nagao | 6-4, 6-4 | | match details | ||
| 05.10.15 | 1/4 | Kento Takeuchi | Issei Okamura | 6-1, 7-5 | | match details | ||
| 01.06.15 | q 1 | Issei Okamura | Shota Iino | 6-3, 2-6, 6-4 | | match details |  Japan F5 | Clay |
| 01.06.15 | 1st round | Ryota Tanuma | Issei Okamura | 7-60, 6-4 | | match details | ||
| 01.06.15 | qual. | Issei Okamura | Yusuke Yoshikawa | 6-0, 3-6, 6-3 | | match details | ||
| 13.04.15 | qual. | Issei Okamura | Shobu Ijima | 6-4, 7-62 | | match details |  China F3 | Clay |
| 13.04.15 | 1st round | Aoxiong Wang | Issei Okamura | 4-6, 6-2, 6-3 | | match details | ||
| 13.04.15 | q 2 | Issei Okamura | Danyal Sualehe | 6-3, 6-1 | | match details | ||
| 06.04.15 | 1st round | Yan Bai | Issei Okamura | 6-0, 6-1 | | match details | China F2 | Clay |
| 06.04.15 | q 2 | Issei Okamura | Jinghu Zhang | 7-5, 6-0 | | match details | ||
| 06.04.15 | qual. | Issei Okamura | Zuxin Zheng | 6-0, 7-61 | | match details |
