| UTR Pro Miki | 2023/06/27 03:30 | Hiiro Sakamoto v Natsuki Yamamoto | 4-6,6-7 |
| UTR Pro Suita | 2024/04/27 08:30 | Natsuki Yamamoto v Kai Kawano | 7-5,6-2 |
| UTR Pro Suita | 2024/04/26 04:43 | Natsuki Yamamoto v Kohtaro Kuriyama | 6-2,3-6,2-6 |
| UTR Pro Suita | 2024/04/23 06:08 | Natsuki Yamamoto v Shion Itsusaki | 7-6,4-6,6-4 |
| 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 Suita | 2024/04/27 07:18 | Nicholas Jovanovski v Hiiro Sakamoto | 4-6,2-3 |
| UTR Pro Suita | 2024/04/26 02:00 | Hiiro Sakamoto v Seiya Nakanishi | 3-6,6-2,2-6 |
| UTR Pro Suita | 2024/04/25 05:10 | Hiiro Sakamoto v Taketo Takamisawa | 7-5,2-6,4-6 |
| UTR Pro Suita | 2024/04/24 04:10 | Jasper Lai v Hiiro Sakamoto | 0-6,0-0 |
| UTR Pro Suita | 2024/04/23 05:12 | Ryotaro Matsumura v Hiiro Sakamoto | 6-2,6-4 |
| UTR Pro Kawaguchi | 2024/03/10 01:30 | Kai Kawano v Hiiro Sakamoto | 4-6,3-6 |
| UTR Pro Kawaguchi | 2024/03/09 05:15 | Hiiro Sakamoto v Ryoto Tachi | 6-4,6-3 |
| UTR Pro Kawaguchi | 2024/03/08 05:00 | Hiiro Sakamoto v Yuto Miyagawa | 6-1,6-4 |