| Date | R | Casa v Visitante | - |
|---|---|---|---|
| 06/15 03:30 | 26 | Gengo Kikuchi v Katsuki Nagao | 6-2,6-2 |
| 06/14 03:00 | 25 | Katsuki Nagao v Taisei Ichikawa | 6-0,6-1 |
| 06/16 01:00 | 26 | Yuki Mochizuki v Katsuki Nagao | 6-1,6-0 |
| 06/14 03:00 | 25 | Katsuki Nagao v Yuichi Ito | 6-2,6-4 |
| 06/27 01:00 | - | Yasutaka Uchiyama v Katsuki Nagao | 7-6,6-3 |
| 06/26 05:05 | - | Katsuki Nagao v Keisuke Watanuki | Retired |
| 06/25 04:25 | - | Hiroyasu Ehara v Katsuki Nagao | 4-6,3-6 |
| 06/24 01:10 | - | Katsuki Nagao v Masaki Osafune | 6-3,6-0 |
| 06/27 01:00 | - | Katsuki Nagao v Yoshihito Nishioka | 0-6,4-6 |