| UTR Pro Yokohama | 02/08 03:20 | 28 | Keisuke Ota v Natsuki Yamamoto | CANC | |
| UTR Pro Yokohama | 02/07 04:45 | - | Takuto Terashima v Keisuke Ota | Walkover | |
| UTR Pro Yokohama | 02/06 05:00 | - | Yuta Kawahashi v Keisuke Ota | Walkover | |
| UTR Pro Yokohama | 02/04 04:50 | - | Kotaro Mochizuki v Keisuke Ota | Walkover | |
| UTR Pro Yokohama | 02/03 04:15 | - | Keisuke Ota v Yoshinori Kobayashi | Walkover | |
| UTR Pro Yokohama | 02/01 00:00 | 28 | Issei Okamura v Keisuke Ota | 6-2,7-5 | |
| UTR Pro Yokohama | 01/31 01:00 | - | Koki Matsuda v Keisuke Ota | 6-1,6-1 | |
| UTR Pro Yokohama | 01/30 03:05 | - | Kazuki Saito v Keisuke Ota | 5-7,4-6 | |
| UTR Pro Yokohama | 01/29 04:50 | - | Mao Takada v Keisuke Ota | 5-7,5-7 | |
| UTR Pro Yokohama | 01/29 01:00 | - | Haruki Katsushima v Keisuke Ota | CANC | |
| UTR Pro Yokohama | 01/29 01:00 | - | Maxime Mareschal-Hay v Keisuke Ota | CANC | |
| UTR Pro Yokohama | 01/27 01:30 | - | Arjun Mehrotra v Keisuke Ota | 6-4,7-6 |