Stadium: Court 4 Round: 14 Ground: Hardcourt outdoor
| Challenger Busan | 2022/10/17 02:00 | Maximilian Neuchrist v Makoto Ochi | 4-6,7-6,6-4 |
| Challenger Busan | 2022/10/16 01:30 | Yusuke Takahashi v Makoto Ochi | 3-6,1-6 |
| Challenger Seoul | 2022/10/09 07:25 | Makoto Ochi v Maximilian Neuchrist | 5-7,4-6 |
| ITF M25 Kashiwa | 2022/10/01 00:55 | Rio Noguchi v Makoto Ochi | 6-3,6-3 |
| ITF M25 Kashiwa | 2022/09/30 03:05 | Makoto Ochi v Shinji Hazawa | 7-5,6-1 |
| ITF M25 Kashiwa | 2022/09/29 02:40 | Makoto Ochi v Ryotaro Matsumura | 6-3,6-2 |
| ITF M25 Kashiwa | 2022/09/28 02:50 | Makoto Ochi v Yusuke Takahashi | 6-2,6-3 |
| Challenger Nonthaburi | 2022/09/09 04:40 | Omar Jasika v Makoto Ochi | 6-1,6-1 |
| ITF M15 Seremban | 2022/07/20 02:50 | Ryuki Matsuda v Hikaru Shiraishi | 4-6,0-6 |
| ITF M15 Monastir | 2022/03/05 12:15 | Raphael Collignon v Hikaru Shiraishi | 4-6,7-6,6-0 |
| ITF M15 Monastir | 2022/03/04 08:00 | Dominik Boehler v Hikaru Shiraishi | 3-6,2-6 |
| ITF M15 Monastir | 2022/03/03 10:10 | Martin Breysach v Hikaru Shiraishi | 5-7,1-6 |
| ITF M15 Monastir | 2022/03/02 15:20 | Hikaru Shiraishi v Hanwen Li | 6-3,6-2 |
| ITF M25 Monastir | 2022/03/01 13:30 | Alexandre Aubriot v Hikaru Shiraishi | 6-7,1-6 |
| ITF M25 Monastir | 2022/03/01 09:00 | Alberto Morolli v Hikaru Shiraishi | 6-4,1-6,3-10 |
| ITF M25 Monastir | 2022/02/27 10:00 | Matteo De Vincentis v Hikaru Shiraishi | 6-7,1-6 |