| UTR Pro Osaka | 2023/07/30 00:30 | Brody Nejedly-Krall v Yuto Okuchi | 4-6,6-6 |
| UTR Pro Osaka | 2023/07/28 00:30 | Yuto Okuchi v Jake Bhangdia | 0-6,6-7 |
| UTR Pro Osaka | 2023/07/25 02:00 | Yuto Okuchi v Koki Matsuda | 3-6,3-6 |
| UTR Pro Osaka | 2023/07/24 03:30 | Mizuki Kawada v Yuto Okuchi | 6-2,1-6,7-5 |
| UTR Pro Miki | 2023/07/01 08:41 | Yuto Okuchi v Takeyasu Sekiguchi | 3-6,2-6 |
| UTR Pro Miki | 2023/06/30 03:27 | Yuta Tomida v Yuto Okuchi | 6-3,6-0 |
| UTR Pro Miki | 2023/04/23 03:30 | Yuto Okuchi v Hikaru Takahashi | 4-6,6-4,5-6 |
| UTR Pro Miki | 2023/04/21 06:20 | Ren Nakamura v Yuto Okuchi | 4-6,6-2,6-7 |
| ITF M25 Takasaki | 2023/09/18 00:50 | Ryotaro Matsumura v Natsuki Yamamoto | 6-2,6-1 |
| ITF M25 Takasaki | 2023/09/17 01:00 | Natsuki Yamamoto v Taki Adachi | 6-3,6-3 |
| UTR Pro Miki | 2023/07/01 04:41 | Shinde Yuzuki v Natsuki Yamamoto | 6-1,6-3 |
| UTR Pro Miki | 2023/06/30 00:30 | Natsuki Yamamoto v Kento Tagashira | 6-1,6-2 |
| UTR Pro Miki | 2023/06/29 03:30 | Natsuki Yamamoto v Taiyo Kurata | 6-7,0-6 |
| UTR Pro Miki | 2023/06/28 00:30 | Sota Minami v Natsuki Yamamoto | 4-6,6-7 |
| UTR Pro Miki | 2023/06/27 03:30 | Hiiro Sakamoto v Natsuki Yamamoto | 4-6,6-7 |
| UTR Pro Miki | 2023/04/21 05:30 | Henrik Heise Korsgaard v Natsuki Yamamoto | 6-3,6-4 |