| UTR Pro Tennis Series Miki | 2022/12/06 00:30 | Kento Tagashira v Ying-Ze Chen | 7-6,5-3 |
| UTR Pro Tennis Series Miki | 2022/07/17 02:00 | Takamasa Mishiro v Kento Tagashira | 6-3,4-6,6-5 |
| UTR Pro Tennis Series Miki | 2022/07/13 02:00 | Taiyo Yamanaka v Kento Tagashira | 6-1,6-1 |
| UTR Pro Tennis Series Miki | 2022/07/12 02:00 | Shunya Maruyama v Kento Tagashira | 6-4,6-3 |
| UTR Pro Tennis Series Miki | 2022/07/09 05:00 | Sota Minami v Kento Tagashira | 5-7,7-6,7-6 |
| UTR Pro Tennis Series Miki | 2022/07/08 06:15 | Kento Tagashira v Ryotaro Matsumura | 5-7,1-6 |
| UTR Pro Tennis Series Miki | 2022/07/07 04:58 | Kento Tagashira v Jumpei Yamasaki | 4-6,3-6 |
| UTR Pro Tennis Series Miki | 2022/07/06 06:30 | Reiya Komagata v Kento Tagashira | 6-4,6-7,6-3 |
| UTR Pro Tennis Series Miki | 2022/12/05 02:00 | Ying-Ze Chen v Koki Matsuda | 2-6,2-5 |
| Challenger - Yokkaichi | 2022/11/21 01:00 | Colin Sinclair v Koki Matsuda | 6-3,6-4 |
| Challenger - Yokkaichi | 2022/11/20 02:20 | Koki Matsuda v Arjun Kadhe | 7-5,6-7,6-2 |
| Challenger - Matsuyama | 2022/11/09 01:00 | Koki Matsuda v Nam Hoang Ly | 4-6,3-6 |
| Challenger - Matsuyama | 2022/11/07 03:20 | Yuta Shimizu v Koki Matsuda | 0-6,3-6 |
| Challenger - Matsuyama | 2022/11/06 02:40 | Koki Matsuda v Arjun Kadhe | 7-6,6-2 |
| ITF - M25 Kashiwa | 2022/09/30 01:00 | Ryota Tanuma v Koki Matsuda | 7-6,6-3 |
| ITF - M25 Kashiwa | 2022/09/27 00:55 | Koki Matsuda v Kaito Uesugi | 3-6,6-4,6-0 |