| Date | R | Home v Away | - |
|---|---|---|---|
| 06/01 00:30 | 26 | Sora Fukuda v Daisuke Sumizawa | 6-3,6-4 |
| 05/30 07:35 | 25 | Taketo Takamisawa v Daisuke Sumizawa | 2-6,4-6 |
| 05/30 01:00 | 26 | Daisuke Sumizawa v Soichiro Moritani | 2-6,6-4,6-7 |
| 05/28 01:00 | 25 | Daisuke Sumizawa v Yuichiro Inui | 6-4,7-6 |