Stadium: Green Tennis Plaza - Court 05 Ground: Hardcourt outdoor
Referee:
| ITF M15 Harmon | 2025/06/11 05:03 | Yuya Hirose v Yuki Karatsu | 6-1,6-2 |
| ITF M25 Anning | 2025/04/28 04:30 | Yuki Karatsu v You Du | 1-6,4-6 |
| ITF M15 Hong Kong | 2024/09/02 02:00 | Yuki Karatsu v Raphael Calzi | 4-6,2-6 |
| UTR Pro Kawaguchi | 2024/08/17 03:56 | Christopher Kosei Ono v Yuki Karatsu | 6-1,6-1 |
| UTR Pro Kawaguchi | 2024/08/14 23:30 | Ryo Minakata v Yuki Karatsu | 6-3,6-4 |
| UTR Pro Kawaguchi | 2024/08/13 01:30 | Kazuma Kawachi v Yuki Karatsu | 6-1,7-5 |
| UTR Pro Kawaguchi | 2024/08/12 03:30 | Yuki Karatsu v Ryotaro Matsumura | 3-6,1-5 |
| UTR Pro Kawaguchi | 2024/03/09 23:00 | Kazuma Kimura v Yuki Karatsu | 4-6,1-5 |
| UTR Pro Craigieburn | 2025/04/04 02:05 | Matt Hulme v Harry Collins | 6-7,2-6 |
| UTR Pro Craigieburn | 2025/04/03 01:30 | Luca Connaughton v Harry Collins | 6-3,3-6,2-6 |
| UTR Pro Craigieburn | 2025/04/01 03:35 | Corey Gaal v Harry Collins | 6-3,6-4 |
| UTR Pro Craigieburn | 2025/03/31 03:10 | Harry Collins v Jack Bruce-Smith | 6-7,3-6 |