| UTR Pro Noda | 2023/10/16 00:30 | Christopher Kosei Ono v Hiiro Sakamoto | 5-7,6-7 |
| UTR Pro Noda | 2023/08/25 04:30 | Yamato Yukawa v Christopher Kosei Ono | 6-2,6-0 |
| UTR Pro Noda | 2023/08/24 00:00 | Dan Hosono v Christopher Kosei Ono | 1-6,0-6 |
| UTR Pro Noda | 2023/08/23 03:30 | Sora Fukuda v Christopher Kosei Ono | 6-1,6-1 |
| UTR Pro Noda | 2023/08/21 00:30 | Ryoma Ishii v Christopher Kosei Ono | 6-2,4-6,7-6 |
| UTR Pro Noda | 2023/10/16 03:30 | Ryota Tanuma v Kusunoki Haruto | 6-0,5-2 |
| ITF M25 Takasaki | 2023/09/21 02:00 | Gage Brymer v Ryota Tanuma | 6-1,6-4 |
| ITF M25 Takasaki | 2023/09/20 02:40 | Ryota Tanuma v Mitsuki Wei Kang Leong | 6-4,6-4 |
| ITF M25 Sapporo | 2023/09/13 01:00 | Shuichi Sekiguchi v Ryota Tanuma | 7-6,6-1 |
| ITF M25 Sapporo | 2023/09/07 00:50 | Kokoro Isomura v Ryota Tanuma | 6-4,6-3 |
| ITF M25 Sapporo | 2023/09/05 02:00 | Ryota Tanuma v Yunseok Jang | 6-4,7-5 |
| Challenger Matsuyama | 2022/11/06 01:00 | Ryota Tanuma v Naoki Nakagawa | 3-6,4-6 |
| Challenger Jokohama | 2022/11/01 05:55 | Damir Dzumhur v Ryota Tanuma | 6-3,6-1 |