Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF M15 Aktobe | 2023/02/27 10:55 | Issei Okamura v Alexander Orlov | 6-2,7-6 |
| ITF M25 Burnie | 2023/02/07 23:00 | Adam Walton v Issei Okamura | 6-3,6-4 |
| ITF M25 Burnie | 2023/02/06 00:00 | Issei Okamura v Stefan Vujic | 7-6,7-6 |
| ITF M25 Burnie | 2023/02/05 01:00 | Issei Okamura v Mason Naumovski | 6-1,6-3 |
| Challenger Burnie | 2023/01/29 23:00 | Yusuke Takahashi v Issei Okamura | 6-4,6-2 |
| Challenger Burnie | 2023/01/29 01:35 | Liam Puttergill v Issei Okamura | 1-6,3-6 |
| ITF M15 Jakarta Qual | 2023/01/23 03:55 | Bang Shuo Yin v Issei Okamura | 7-6,5-7,10-5 |
| ITF M15 Jakarta | 2023/01/16 07:15 | Manish Ganesh v Issei Okamura | 3-6,6-3,10-3 |
| ITF M15 Aktobe | 2023/02/27 11:45 | Max Batyutenko v Islam Orynbasar | 4-6,6-3,10-4 |
| Challenger Nur-Sultan | 2022/07/17 09:10 | Max Batyutenko v Ivan Liutarevich | 2-6,3-6 |
| ITF M15 Shymkent | 2022/04/27 07:55 | Max Batyutenko v Aleksandre Bakshi | 2-6,4-6 |
| ITF M25 Nur-Sultan | 2022/02/21 07:00 | Timur Kiyamov v Max Batyutenko | 6-7,6-1,5-10 |