| UTR Pro Miki | 02/11 02:00 | - | Tomohiro Masabayashi v Natsuki Yamamoto | 6-0,6-3 | |
| UTR Pro Miki | 02/10 02:00 | - | Natsuki Yamamoto v So Ogiri | 7-5,7-5 | |
| UTR Pro Miki | 02/08 00:30 | - | Natsuki Yamamoto v Lennon Jones | 2-6,4-6 | |
| UTR Pro Miki | 02/07 05:30 | - | Natsuki Yamamoto v Ryuki Matsuda | 7-5,7-6 | |
| UTR Pro Miki | 02/06 03:30 | - | Yuki Karatsu v Natsuki Yamamoto | 2-6,4-6 |