| UTR Pro Kawaguchi | 10/18 01:40 | 28 | Seiya Nakanishi v Chikaya Sato | 6-0,7-6 | |
| UTR Pro Kawaguchi | 10/15 03:45 | - | Chikaya Sato v Yuki Nemoto | Walkover | |
| UTR Pro Kawaguchi | 10/14 06:55 | - | Chikaya Sato v Raffael Gasanov | 4-6,6-7 | |
| UTR Pro Kawaguchi | 10/14 02:15 | - | Chikaya Sato v Kotaro Mochizuki | 4-6,2-6 | |
| UTR Pro Kawaguchi | 10/13 01:00 | - | Chikaya Sato v Hugo Hashimoto | 6-7,6-7 | |
| UTR Pro Kawaguchi | 10/01 01:00 | - | Mattias Southcombe v Chikaya Sato | CANC | |
| UTR Pro Kawaguchi | 10/01 01:00 | - | Kohtaro Kuriyama v Chikaya Sato | CANC | |
| UTR Pro Kawaguchi | 10/01 01:00 | - | Natsuki Yamamoto v Chikaya Sato | CANC | |
| UTR Pro Kawaguchi | 09/29 04:50 | - | Ryota Tanuma v Chikaya Sato | 6-1,6-1 | |
| UTR Pro Kawaguchi | 09/28 03:00 | 29 | Chikaya Sato v Mattias Southcombe | 2-6,4-6 | |
| UTR Pro Kawaguchi | 09/27 01:00 | 28 | Chikaya Sato v Wulfrano M M Esdras | 7-6,6-4 | |
| UTR Pro Kawaguchi | 09/26 02:55 | - | Taisei Hata v Chikaya Sato | 1-6,4-6 |