Stadium: Center Court Round: 54 Ground: Hardcourt outdoor
| 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 M25 Jakarta | 2022/11/01 03:35 | Issei Okamura v Fitriadi M Rifqi | 1-6,3-6 |
| ITF M25 Kashiwa | 2022/09/29 01:55 | Issei Okamura v Shinji Hazawa | 1-6,4-6 |
| ITF M25 Kashiwa | 2022/09/28 01:00 | Takuto Niki v Issei Okamura | 3-6,6-7 |
| ITF M25 Burnie | 2023/02/05 02:30 | Zachary Adam-Gedge v Stefan Vujic | 3-6,4-6 |
| ITF M15 Tauranga | 2022/12/18 01:00 | Stefan Vujic v Rob Reynolds | 4-6,6-4,4-10 |
| ITF M15 Tauranga | 2022/12/17 21:00 | Stefan Vujic v Matthew Browning | 6-4,6-0 |
| ITF M15 Wellington | 2022/12/11 21:00 | Stefan Vujic v Alexander Klintcharov | 4-6,1-6 |
| ITF M15 Monastir | 2022/10/10 08:00 | Niklas Rohrer v Stefan Vujic | 7-5,6-0 |
| ITF M15 Monastir | 2022/10/09 08:00 | Chen-Yu Lu v Stefan Vujic | 6-4,6-7,7-10 |
| ITF M15 Zlatibor | 2022/09/13 14:35 | Stefan Vujic v Rrezart Cungu | 6-4,3-6,4-6 |
| ITF M15 Monastir | 2022/08/23 09:40 | Tao Mu v Stefan Vujic | 6-0,2-6,7-6 |