| UTR Pro Miki | 2023/02/08 02:00 | Yuji Arimura v Yuta Kawahashi | 0-6,0-6 |
| UTR Pro Miki | 2023/02/07 02:40 | Yuji Arimura v Yuichiro Inui | 5-7,3-6 |
| UTR Pro Miki | 2023/02/09 00:30 | Yuichiro Inui v Hiromasa Koyama | 7-5,6-1 |
| UTR Pro Miki | 2023/02/07 00:30 | Kento Tagashira v Hiromasa Koyama | 6-3,7-5 |
| UTR Pro Miki | 2023/02/06 03:30 | Hiromasa Koyama v Yuta Kawahashi | 0-6,0-6 |
| UTR Pro Tennis Series Miki | 2022/12/07 02:00 | Hiromasa Koyama v Ryohei Takase | 0-0 |