Ground: Hardcourt outdoor
| ITF M15 Osaka | 2025/04/24 02:30 | Yuta Kawahashi v Takuya Kumasaka | 7-6,5-7,1-4 |
| ITF M15 Osaka | 2025/04/22 01:00 | Yuta Kikuchi v Takuya Kumasaka | 6-3,3-6,4-6 |
| ITF M15 Osaka | 2025/04/16 02:30 | Renta Tokuda v Takuya Kumasaka | 7-6,1-6,6-3 |
| ITF M15 Tsukuba | 2025/03/30 05:00 | Hyeon Chung v Takuya Kumasaka | 6-4,3-6,5-1 |
| ITF M15 Tsukuba | 2025/03/30 02:00 | Takuya Kumasaka v Filip Peliwo | 6-0,4-6,6-2 |
| ITF M15 Tsukuba | 2025/03/28 01:00 | Takuya Kumasaka v Ryo Tabata | 6-2,7-5 |
| ITF M15 Tsukuba | 2025/03/26 01:00 | Takuya Kumasaka v Issei Okamura | 7-5,6-1 |
| ITF M15 Nishi-Tokyo | 2025/03/23 03:00 | Hyeon Chung v Takuya Kumasaka | 6-4,6-0 |
| Challenger Tbilisi | 2025/05/18 08:25 | Lukas Pokorny v Naoya Honda | 6-3,4-6,6-4 |
| ITF M15 Monastir | 2025/05/09 10:00 | Naoya Honda v Mwendwa Mbithi | 6-7,4-6 |
| ITF M15 Monastir | 2025/05/08 11:27 | Naoya Honda v Nazim Makhlouf | 6-2,6-2 |
| ITF M15 Monastir | 2025/05/06 08:30 | Naoya Honda v Adam Nagoudi | 6-3,6-2 |
| ITF M15 Monastir | 2025/04/30 10:00 | Naoya Honda v Aziz Ouakaa | 0-1 |
| ITF M15 Monastir | 2025/04/23 08:30 | Naoya Honda v Ezekiel Clark | 4-6,2-6 |
| ITF M15 Alaminos | 2025/03/28 07:30 | Naoya Honda v Gabi Adrian Boitan | 2-6,7-5,6-7 |
| ITF M15 Alaminos | 2025/03/26 09:00 | Photos Photiades v Naoya Honda | 2-6,2-6 |