| Date | R | Home v Away | - |
|---|---|---|---|
| 12/11 02:00 | - | Ying-Ze Chen v Yuki Karatsu | 4-6,6-1,6-3 |
| 12/10 05:00 | - | Yuki Karatsu v Yudai Umeoka | 7-6,6-4 |
| 12/09 02:00 | - | So Ogiri v Yuki Karatsu | 6-3,6-3 |
| 12/08 00:30 | - | Yudai Umeoka v Yuki Karatsu | 6-2,6-1 |
| 12/06 03:30 | - | Sora Fukuda v Yuki Karatsu | 6-3,6-0 |
| 12/05 06:30 | - | Yuki Karatsu v Ryoma Matsushita | 0-6,4-5 |