| Date | R | Home v Away | - |
|---|---|---|---|
| 03/05 01:00 | 62 | Rio Noguchi v Naoto Kai | 6-1,4-6,6-2 |
| 03/04 01:00 | 62 | Naoto Kai v Kaito Itsusaki | 6-7,6-2,6-3 |
| 03/03 01:00 | 62 | Kosuke Okagaki v Naoto Kai | 6-4,0-6,2-6 |
| 03/04 03:30 | 62 | Ibuki Furuta v Naoto Kai | 6-2,6-0 |
| 03/05 03:00 | 62 | Naoto Kai v Kazuma Kawachi | 6-4,3-6,4-6 |