Stadium: Court 9 Round: 25 Ground: Clay
| ITF China F14 | 2017/07/24 08:15 | Issei Okamura v Kento Takeuchi | 6-2,6-2 |
| ITF Japan F6 | 2017/05/30 03:55 | Kento Takeuchi v Issei Okamura | 7-6,6-3 |
| ITF Japan F7 | 2016/06/06 02:50 | Issei Okamura v Kento Takeuchi | 2-6,3-6 |
| ITF Japan F1 | 2016/03/08 01:00 | Issei Okamura v Kento Takeuchi | 7-6,7-6 |
| ITF - Bendigo M25 | 2022/03/10 00:55 | Kento Takeuchi v Tristan Schoolkate | 3-6,4-6 |
| ITF - Bendigo M25 | 2022/03/09 05:15 | Kento Takeuchi v Jayden Court | 6-3,7-6 |
| ITF - Bendigo M25 | 2022/03/02 04:55 | Yusuke Takahashi v Kento Takeuchi | 7-6,6-3 |
| ITF - Monastir M15 | 2021/09/29 08:00 | Skander Mansouri v Kento Takeuchi | 6-7,6-2,6-4 |
| ITF - Monastir M15 | 2021/09/23 08:00 | Kento Takeuchi v Christoph Negritu | 4-6,1-6 |
| ITF - Monastir M15 | 2021/09/21 09:00 | Kento Takeuchi v Pierre Delage | 6-0,6-2 |
| ITF - Monastir M15 | 2021/09/15 08:00 | Kento Takeuchi v Gabriel Decamps | 4-6,1-6 |
| UTR Pro Tennis Series - Dallas | 2021/08/09 15:30 | Kento Takeuchi v James Trotter | 7-5,6-7,0-0 |
| ITF - Telavi M15 | 2021/08/03 07:45 | Issei Okamura v Aleksandre Bakshi | 6-7,3-6 |
| ITF - Telavi M25 | 2021/07/27 09:05 | Zura Tkemaladze v Issei Okamura | 7-6,6-3 |
| ITF - Tulsa M25 | 2021/06/14 18:00 | Axel Nefve v Issei Okamura | 6-3,6-2 |
| ITF - Santo Domingo M25 | 2021/06/07 18:00 | Issei Okamura v Gabriel Evans | 2-6,6-4,8-10 |
| ITF - Santo Domingo M25 | 2021/06/02 13:25 | Jose Olivares v Issei Okamura | 6-3,6-2 |
| ITF - Santo Domingo M25 | 2021/06/01 13:00 | Issei Okamura v Ronan Jachuck | 3-6,7-5,10-7 |
| ITF - Sharm El Sheikh M15 | 2021/04/08 07:30 | Nicolas Moreno De Alboran v Issei Okamura | 7-5,6-1 |
| ITF - Sharm El Sheikh M15 | 2021/04/07 12:50 | Alexandros Skorilas v Issei Okamura | 5-7,2-6 |