| Date | R | Home v Away | - |
|---|---|---|---|
| 08/17 04:18 | - | Taketo Takamisawa v Ko Nagashima | 6-4,6-3 |
| 08/15 10:30 | - | Ko Nagashima v Koki Takada | 6-3,6-0 |
| 08/14 23:30 | - | Ko Nagashima v Sora Fukuda | 2-6,2-6 |
| 08/14 02:48 | - | Yuta Kikuchi v Ko Nagashima | 6-0,6-2 |
| 08/13 01:00 | - | Yuta Tomida v Ko Nagashima | 6-4,6-1 |