Stadium: KPI Park - Court 01 Ground: Hardcourt outdoor
Referee:
| UTR Pro Fukui | 2025/06/20 03:05 | Daisuke Inagawa v Taichi Wakamatsu | 2-6,3-6 |
| UTR Pro Fukui | 2025/06/18 01:00 | Daisuke Inagawa v Ryotaro Taguchi | 2-6,1-6 |
| UTR Pro Fukui | 2025/06/17 05:40 | Daisuke Inagawa v Brody Nejedly-Krall | 2-6,4-6 |
| UTR Pro Yokohama | 2025/03/07 08:55 | Naoki Takeda v Daisuke Inagawa | 6-2,6-1 |
| UTR Pro Yokohama | 2025/03/07 02:30 | Daisuke Inagawa v Daiki Sato | 6-2,3-6,2-6 |
| UTR Pro Yokohama | 2025/03/06 10:25 | Daisuke Inagawa v Taketo Takamisawa | 2-6,2-6 |
| UTR Pro Yokohama | 2025/03/06 03:30 | Daisuke Inagawa v Christopher Kosei Ono | 3-6,2-6 |
| UTR Pro Yokohama | 2025/03/04 02:25 | Daisuke Inagawa v Ko Nagashima | 2-6,7-5,6-2 |
| ITF M15 Kashiwa | 2025/04/01 01:00 | Kokoro Isomura v Shion Itsusaki | 6-4,4-6,6-1 |
| ITF M15 Tsukuba | 2025/03/26 04:00 | Filip Peliwo v Shion Itsusaki | 6-2,6-2 |
| ITF M15 Nishi-Tokyo | 2025/03/18 04:00 | Shion Itsusaki v Jumpei Yamasaki | 4-6,4-6 |
| ITF M15 Yanagawa | 2024/11/01 02:00 | Philip Henning v Shion Itsusaki | 6-1,6-3 |
| ITF M15 Yanagawa | 2024/10/31 01:00 | Shion Itsusaki v Kazuki Sugimoto | 7-5,6-3 |
| UTR Pro Kawaguchi | 2024/06/22 09:16 | Shion Itsusaki v Taiyo Kurata | 0-6,3-6 |
| UTR Pro Kawaguchi | 2024/06/22 01:40 | Hiiro Sakamoto v Shion Itsusaki | 7-5,3-6,4-6 |
| UTR Pro Kawaguchi | 2024/06/20 04:50 | Maxime Mareschal-Hay v Shion Itsusaki | 6-4,7-5 |