| ITF M25 Sapporo | 2024/09/13 03:55 | Takuya Kumasaka v Shintaro Imai | 2-6,6-2,6-3 |
| ITF M25 Launceston | 2025/02/27 06:00 | Shintaro Imai v Jason Kubler | 3-6,3-6 |
| ITF M25 Launceston | 2025/02/25 00:30 | Kousuke Ogura v Shintaro Imai | 0-6,6-6 |
| ITF M25 Burnie | 2025/02/21 02:26 | Hyeon Chung v Shintaro Imai | 6-1,6-1 |
| ITF M25 Burnie | 2025/02/20 01:30 | Matt Hulme v Shintaro Imai | 4-6,6-7 |
| ITF M25 Burnie | 2025/02/19 00:30 | Shintaro Imai v Moerani Bouzige | 6-3,6-2 |
| Challenger Brisbane Qual | 2025/02/02 03:25 | Shintaro Imai v Joshua Charlton | 3-6,7-6,3-6 |
| Challenger Kobe | 2024/11/10 09:25 | Shintaro Imai v Masamichi Imamura | 1-6,6-3,4-6 |
| Challenger Matsuyama | 2024/11/06 02:30 | Shintaro Imai v Terence Atmane | 4-6,3-6 |
| ITF M25 Launceston | 2025/02/26 00:30 | Pavle Marinkov v Takuya Kumasaka | 6-2,4-6,7-5 |
| ITF M25 Burnie | 2025/02/21 01:30 | Jason Kubler v Takuya Kumasaka | 6-4,6-2 |
| ITF M25 Burnie | 2025/02/20 04:01 | Takuya Kumasaka v Shinji Hazawa | 6-2,6-4 |
| ITF M25 Burnie | 2025/02/19 04:52 | Cruz Hewitt v Takuya Kumasaka | 6-7,2-4 |
| ITF M25 Chennai | 2025/01/16 04:30 | Egor Agafonov v Takuya Kumasaka | 6-4,6-3 |
| ITF M25 Chennai | 2025/01/15 04:30 | Sergey Fomin v Takuya Kumasaka | 5-7,7-6,1-1 |
| Challenger Yokkaichi | 2024/11/25 01:00 | Philip Henning v Takuya Kumasaka | 6-1,6-2 |
| Challenger Yokkaichi | 2024/11/24 01:00 | Thomas Fancutt v Takuya Kumasaka | 6-7,4-6 |