| UTR Pro Kawaguchi | 2024/03/03 04:34 | Ryoto Tachi v Yuki Karatsu | 6-0,7-6 |
| UTR Pro Kawaguchi | 2024/03/02 01:00 | Sota Tani v Yuki Karatsu | 2-6,1-6 |
| UTR Pro Miki | 2023/02/11 02:00 | Yuji Arimura v Yuki Karatsu | 6-3,7-6 |
| UTR Pro Miki | 2023/02/09 05:00 | Yuki Karatsu v Lennon Jones | 0-6,0-6 |
| UTR Pro Miki | 2023/02/08 00:30 | Yuki Karatsu v Ryuki Matsuda | 2-6,2-6 |
| UTR Pro Miki | 2023/02/07 03:30 | Yuki Karatsu v So Ogiri | 6-3,4-6,3-6 |
| UTR Pro Miki | 2023/02/06 03:30 | Yuki Karatsu v Natsuki Yamamoto | 2-6,4-6 |
| UTR Pro Tennis Series Miki | 2022/12/11 02:00 | Ying-Ze Chen v Yuki Karatsu | 4-6,6-1,6-3 |