| Date | R | Home v Away | - |
|---|---|---|---|
| 07/16 02:00 | - | Ryoma Matsushita v Shinnosuke Hiramatsu | 6-4,3-6,6-2 |
| 07/13 00:30 | - | Yudai Watanabe v Shinnosuke Hiramatsu | 3-6,2-6 |
| 07/12 03:30 | - | Takamasa Mishiro v Shinnosuke Hiramatsu | 4-6,5-7 |
| 07/11 03:30 | - | Shinnosuke Hiramatsu v Yuki Mochizuki | 2-6,6-3,2-6 |