| UTR Pro Suita | 2024/04/22 02:00 | Yuta Kikuchi v Natsuki Yamamoto | 6-3,6-4 |
| ITF M15 Kashiwa | 2024/03/31 01:00 | Natsuki Yamamoto v Woobin Shin | 2-6,1-6 |
| UTR Pro Kawaguchi | 2024/03/09 00:00 | Natsuki Yamamoto v Koki Takada | 2-6,6-1,6-2 |
| UTR Pro Kawaguchi | 2024/03/08 03:30 | Natsuki Yamamoto v Oliver Welch | 6-3,6-4 |
| UTR Pro Kawaguchi | 2024/03/07 02:30 | Natsuki Yamamoto v Yuki Karatsu | 6-0,5-0 |
| UTR Pro Kawaguchi | 2024/03/06 23:30 | Yusuke Yoshikawa v Natsuki Yamamoto | 6-1,6-2 |
| UTR Pro Kawaguchi | 2024/03/04 06:31 | Taisei Miyamoto v Natsuki Yamamoto | 6-4,7-6 |
| UTR Pro Kawaguchi | 2024/03/03 00:30 | Natsuki Yamamoto v Naoto Tomizawa | 6-3,6-3 |
| UTR Pro Osaka | 2023/07/30 00:30 | Shion Itsusaki v Takeyasu Sekiguchi | 3-1 |
| UTR Pro Osaka | 2023/07/28 05:43 | Hiroki Fujita v Shion Itsusaki | 1-6,2-3 |
| UTR Pro Osaka | 2023/07/27 00:30 | Shin Inoue v Shion Itsusaki | 3-6,6-3,6-4 |
| UTR Pro Osaka | 2023/07/26 08:28 | Christian Heaney-Secord v Shion Itsusaki | 3-6,5-7 |
| UTR Pro Osaka | 2023/07/24 07:00 | Rikuto Yamaguchi v Shion Itsusaki | 6-4,2-6,6-3 |
| UTR Pro Miki | 2023/02/12 00:30 | Hiromasa Koyama v Shion Itsusaki | 4-6,6-4,5-7 |
| UTR Pro Miki | 2023/02/11 05:15 | Shion Itsusaki v So Ogiri | 6-4,6-3 |
| UTR Pro Miki | 2023/02/10 02:00 | Shun Oue v Shion Itsusaki | 6-2,6-1 |