Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Karuizawa | 2023/06/04 02:00 | Yuta Kawahashi v Tatsuma Ito | 7-5,6-2 |
| 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 Jablonec Nad Nisou | 2023/05/28 10:30 | Tommy Czaplinski v Noah Schlagenhauf | 4-6,2-6 |
| ITF M25 Prague | 2023/05/15 10:45 | Tommy Czaplinski v Jonas P Hartenstein | 2-6,1-6 |
| ITF M25 Prague | 2023/05/14 11:00 | Adam Krischke v Tommy Czaplinski | 2-6,6-7 |
| ITF M25 Jakarta | 2023/04/10 06:15 | Tommy Czaplinski v Andrew Rogers | 2-6,2-6 |
| ITF M15 Singapore | 2023/04/05 09:50 | Tommy Czaplinski v Kasidit Samrej | 2-6,0-6 |
| ITF M15 Singapore | 2023/04/03 08:00 | Tommy Czaplinski v Roy Hobbs | 4-6,6-2,10-8 |
| ITF M25 Lucknow | 2023/03/20 04:30 | Tommy Czaplinski v Faisal Qamar | 4-6,2-6 |
| ITF M25 Lucknow | 2023/03/19 04:30 | Maanav Jain v Tommy Czaplinski | 6-4,2-6,6-10 |