Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2021/08/12 08:00 | Takuya Kumasaka v Makoto Ochi | 6-4,6-4 |
| ITF - M15 Karuizawa | 2023/06/01 02:40 | Jumpei Yamasaki v Takuya Kumasaka | 6-3,6-2 |
| ITF - M15 Antalya | 2023/04/26 09:15 | Takuya Kumasaka v Marlon Vankan | 4-6,0-6 |
| ITF - M15 Antalya | 2023/04/18 09:10 | Takuya Kumasaka v Konstantin Zhzhenov | 3-6,6-4,7-10 |
| ITF - M15 Antalya | 2023/04/17 10:20 | Takuya Kumasaka v Gino Romano | 6-3,6-1 |
| ITF - M15 Antalya | 2023/04/16 07:00 | Takuya Kumasaka v Dragos N Cazacu | 6-1,6-1 |
| ITF - M15 Antalya | 2023/04/12 07:00 | Juan Pablo Paz v Takuya Kumasaka | 6-1,6-1 |
| ITF - M15 Antalya | 2023/04/11 12:45 | Jonathan Mridha v Takuya Kumasaka | 5-7,4-6 |
| ITF - M15 Antalya | 2023/04/10 14:35 | Mert Naci Turker v Takuya Kumasaka | 2-6,5-7 |
| Challenger - Busan | 2023/05/08 04:25 | Makoto Ochi v Hiroki Moriya | 4-6,4-6 |
| Challenger - Busan | 2023/05/07 05:05 | Peter Gojowczyk v Makoto Ochi | 6-4,2-6,5-7 |
| Challenger - Gwangju | 2023/04/30 05:20 | Jason Jung v Makoto Ochi | 6-4,7-6 |
| ITF - M25 Jakarta | 2023/04/28 02:30 | Brandon Walkin v Makoto Ochi | 7-6,6-4 |
| ITF - M25 Jakarta | 2023/04/27 02:00 | Andrew Rogers v Makoto Ochi | 3-6,4-6 |
| ITF - M25 Jakarta | 2023/04/26 04:05 | Mitsuki Wei Kang Leong v Makoto Ochi | 3-6,1-6 |
| ITF - M25 Jakarta | 2023/04/19 06:10 | Makoto Ochi v Duckhee Lee | 1-6,3-6 |
| ITF - M25 Jakarta | 2023/04/18 02:15 | Makoto Ochi v Sanhui Shin | 6-2,6-1 |