| UTR Pro Kawaguchi | 05/04 01:00 | 29 | Kenta Nakamura v Ryuichiro Nakano | 3-6,5-7 | |
| UTR Pro Kawaguchi | 05/03 02:50 | 28 | Yuta Dokai v Ryuichiro Nakano | 3-6,2-6 | |
| UTR Pro Kawaguchi | 05/01 06:45 | - | Ryuichiro Nakano v Yusuke Yoshikawa | 6-1,7-5 | |
| UTR Pro Kawaguchi | 05/01 02:45 | - | Ryuichiro Nakano v Daiki Yoshimura | 1-6,2-6 | |
| UTR Pro Kawaguchi | 04/30 04:35 | - | Haruto Ishikawa v Ryuichiro Nakano | 6-2,6-1 | |
| UTR Pro Kawaguchi | 04/29 01:45 | - | Yuga Tashiro v Ryuichiro Nakano | 7-5,6-2 | |
| ITF M15 Osaka | 04/21 02:30 | - | Issei Okamura v Ryuichiro Nakano | 6-1,6-1 |