Estadio: Court 2 Round: 29 Ground: Clay
| ITF M15 Karuizawa | 2023/06/03 07:30 | Sanhui Shin v Yuta Kawahashi | 3-6,6-3,6-7 |
| ITF M15 Karuizawa | 2023/06/03 03:30 | Yuta Kawahashi v Hikaru Shiraishi | 7-5,1-6,10-7 |
| ITF M15 Karuizawa | 2023/06/01 00:30 | Jake Delaney v Yuta Kawahashi | 2-6,2-6 |
| ITF M15 Karuizawa | 2023/05/30 03:30 | Yuta Kawahashi v Tomohiro Masabayashi | 6-4,6-4 |
| ITF M25 Jakarta | 2023/04/24 02:20 | Yuta Kawahashi v Hanyi Liu | 3-6,0-6 |
| ITF M25 Jakarta | 2023/04/21 03:00 | Jeamoon Lee v Yuta Kawahashi | 6-4,7-5 |
| ITF M25 Jakarta | 2023/04/20 02:30 | Tomohiro Masabayashi v Yuta Kawahashi | 1-6,1-6 |
| ITF M25 Jakarta | 2023/04/17 06:25 | Kazuki Nishiwaki v Yuta Kawahashi | 4-6,4-6 |
| ITF M15 Karuizawa | 2023/06/03 07:00 | Sora Fukuda v Tatsuma Ito | 6-7,6-7 |
| ITF M15 Karuizawa | 2023/06/03 03:30 | Kazuma Kawachi v Tatsuma Ito | 1-6,4-6 |
| ITF M15 Karuizawa | 2023/06/01 03:20 | Preston Brown v Tatsuma Ito | 3-6,0-6 |
| ITF M15 Karuizawa | 2023/05/31 03:35 | Seon Yong Han v Tatsuma Ito | 6-7,3-6 |
| Challenger de Busan | 2023/05/08 03:40 | Yuki Mochizuki v Tatsuma Ito | 6-4,4-6,6-2 |
| Challenger de Busan | 2023/05/07 02:30 | Tatsuma Ito v Mukund Sasikumar | 5-7,6-4,6-4 |
| Challenger Gwangju | 2023/05/01 01:30 | Tatsuma Ito v Peter Gojowczyk | 4-6,4-6 |
| Challenger Gwangju | 2023/04/30 02:35 | Edan Leshem v Tatsuma Ito | 1-6,4-6 |