Name: Issei Okamura
Country: Japan
Birthdate: 26.05.92, 32 years
ATP ranking: 870
TOP ranking's position: 574 (08.08.16, 55 points)
Points: 15
Prize money: 65.176 $
Matches total: 504
Win: 244
%: 48.41 %
Country: Japan
Birthdate: 26.05.92, 32 years
ATP ranking: 870
TOP ranking's position: 574 (08.08.16, 55 points)
Points: 15
Prize money: 65.176 $
Matches total: 504
Win: 244
%: 48.41 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2025 | 17/10 | 17/10 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2024 | 24/27 | 22/22 | 2/3 | 0/2 | 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 | 244/260 | 201/198 | 33/40 | 2/11 | 4/9 | 4/2 | 0/0 |
| perc. % | 48.41 % | 50.38 % | 45.21 % | 15.38 % | 30.77 % | 66.67 % | 0 % |
Issei Okamura / Fixtures
| no matches found |
Issei Okamura form
Issei Okamura / Latest Scores
| 22.04.25 | 1st round | Jumpei Yamasaki | Issei Okamura | 6-3, 6-4 |  | match details |  M15 Osaka | Hard |
| 21.04.25 | qual. | Issei Okamura | Ryuichiro Nakano | 6-1, 6-1 |  | match details | ||
| 20.04.25 | q 1 | Issei Okamura | Kohei Hayashi | 6-0, 3-6, 10-8 | | match details | ||
| 16.04.25 | 1st round | Yusuke Kusuhara | Issei Okamura | 7-5, 6-2 | | match details | M15 Osaka | Hard |
| 15.04.25 | qual. | Issei Okamura | Yuhei Kono | 7-65, 6-1 | | match details | ||
| 14.04.25 | q 1 | Issei Okamura | Noritaka Koizumi | 1-6, 7-5, 10-7 | | match details | ||
| 04.04.25 | 2nd round | Keisuke Saitoh | Issei Okamura | 6-2, 6-2 | | match details | M15 Kashiwa | Hard |
| 01.04.25 | 1st round | Issei Okamura | Yuhei Kono | 6-2, 6-1 | | match details | ||
| 31.03.25 | qual. | Koki Matsuda | Issei Okamura | 6-2, 6-4 | | match details | ||
| 30.03.25 | q 1 | Issei Okamura | Ryo Minakata | 6-1, 6-2 | | match details | ||
| 26.03.25 | 1st round | Takuya Kumasaka | Issei Okamura | 7-5, 6-1 | | match details | M15 Tsukuba | Hard |
| 24.03.25 | qual. | Issei Okamura | Ryota Tanuma | 6-0, 7-5 | | match details | ||
| 23.03.25 | q 1 | Issei Okamura | Maxwell Benson | 7-5, 6-2 | | match details | ||
| 19.03.25 | 1st round | Ji Sung Nam | Issei Okamura | 6-1, 6-1 | | match details | M15 Nishi | Hard |
| 18.03.25 | qual. | Issei Okamura | Yu Maeda | 6-1, 6-4 | | match details | ||
| 17.03.25 | q 1 | Issei Okamura | Yuya Ando | 6-1, 6-4 | | match details | ||
| 13.03.25 | 2nd round | Hikaru Shiraishi | Issei Okamura | 6-2, 6-2 | | match details | M15 Hinode | Hard |
| 11.03.25 | 1st round | Issei Okamura | Ryuji Tsutsumino | 6-4, 4-6, 6-2 | | match details | ||
| 25.02.25 | 1st round | Ji Sung Nam | Issei Okamura | 7-63, 6-3 | | match details |  M25 Launceston | Hard |
| 24.02.25 | qual. | Issei Okamura | Adrian Arcon | 7-65, 6-1 | | match details | ||
| 23.02.25 | q 1 | Issei Okamura | Jesse Gothelf | 6-1, 6-3 | | match details | ||
| 17.02.25 | qual. | Joshua Charlton | Issei Okamura | 6-1, 6-3 | | match details | M25 Burnie | Hard |
| 16.02.25 | q 1 | Issei Okamura | Charlie Pade | 6-2, 6-3 | | match details | ||
| 13.02.25 | 2nd round | Yu Hsiou Hsu | Issei Okamura | 6-1, 6-0 | | match details |  M25 Timaru | Hard |
| 12.02.25 | 1st round | Issei Okamura | Lev Gorb | 6-2, 6-1 | | match details | ||
| 10.02.25 | qual. | Issei Okamura | Stefan Storch | 6-4, 7-61 | | match details | ||
| 09.02.25 | q 1 | Issei Okamura | Yuan Hao Lin | 6-0, 6-1 | | match details | ||
| 27.11.24 | 1st round | Thomas Braithwaite | Issei Okamura | 6-3, 6-1 | | match details | M25 Carrara | Hard |
| 26.11.24 | qual. | Naoki Tajima | Issei Okamura | 6-4, 6-3 | | match details | ||
| 25.11.24 | q 2 | Issei Okamura | Adrian Arcon | 6-4, 6-1 | | match details | ||
| 19.11.24 | qual. | Sam Ryan Ziegann | Issei Okamura | 3-6, 6-4, 10-4 | | match details | M25 Caloundra | Hard |
| 18.11.24 | q 2 | Issei Okamura | Noah Brownrigg | 6-4, 6-2 | | match details | ||
| 30.10.24 | 1st round | Shunsuke Nakagawa | Issei Okamura | 7-5, 6-3 | | match details | M15 Yanagawa | Hard |
| 26.10.24 | 1/2 | Ryotaro Matsumura | Issei Okamura | 6-2, 6-2 | | match details | M15 Tanagura | Hard |
| 25.10.24 | 1/4 | Issei Okamura | Yuichiro Inui | 6-4, 6-71, 6-3 | | match details | ||
| 24.10.24 | 2nd round | Issei Okamura | Yusaku Sugaya | 2-6, 6-3, 7-5 | | match details | ||
| 22.10.24 | 1st round | Issei Okamura | Chan-Yeong Oh | 6-2, 6-4 | | match details | ||
| 17.09.24 | 1st round | Leo Vithoontien | Issei Okamura | 3-6, 6-2, 7-61 | | match details |  M15 Bali | Hard |
| 16.09.24 | qual. | Issei Okamura | Jack Bruce-Smith | 6-1, 6-3 | | match details | ||
| 15.09.24 | q 1 | Issei Okamura | Alexey Shtengelov | 6-2, 6-2 | | match details | ||
| 11.09.24 | 1st round | Aldin Setkic | Issei Okamura | 6-4, 6-4 | | match details |  M15 Singapore | I. hard |
| 04.09.24 | 1st round | Samir Banerjee | Issei Okamura | 6-3, 6-4 | | match details |  M15 Hong | Hard |
| 29.08.24 | 2nd round | Alexey Zakharov | Issei Okamura | 6-3, 6-3 | | match details | M25 Hong | Hard |
| 27.08.24 | 1st round | Issei Okamura | Kazuki Nishiwaki | 6-2, 6-4 | | match details | ||
| 05.08.24 | qual. | Taiyo Yamanaka | Issei Okamura | 6-3, 4-1, Issei Okamura - retired | | match details | .png){kind=small} M25 Taipei | Hard |
| 04.08.24 | q 1 | Issei Okamura | Jeffrey Hsu | 6-2, 1-6, 11-9 | | match details | ||
| 08.07.24 | q 1 | Yusuke Kusuhara | Issei Okamura | 6-3, 6-4 | | match details | M15 Tokyo | I. hard |
| 05.07.24 | 1/4 | Adil Kalyanpur | Issei Okamura | 6-3, 6-3 | | match details |  M15 Nakhon | Hard |
| 04.07.24 | 2nd round | Issei Okamura | Amit Vales | 6-3, 6-3 | | match details | ||
| 03.07.24 | 1st round | Issei Okamura | James Van Herzeele | 6-2, 6-4 | | match details |
