Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| ITF M25 Daegu | 2023/06/07 02:40 | Keisuke Saitoh v Dong Ju Kim | 1-6,2-6 |
| ITF M15 Karuizawa | 2023/06/01 00:30 | Keisuke Saitoh v Sanhui Shin | 4-6,1-6 |
| ITF M15 Karuizawa | 2023/05/30 08:10 | Keisuke Saitoh v Asahi Harazaki | 7-6,6-1 |
| Challenger Busan | 2023/05/08 02:00 | Keisuke Saitoh v Luke Saville | 3-6,1-6 |
| Challenger Gwangju | 2023/04/30 01:30 | Omar Jasika v Keisuke Saitoh | 6-0,6-0 |
| Challenger Seoul | 2023/04/23 06:00 | Omar Jasika v Keisuke Saitoh | 6-4,7-6 |
| ITF M25 Kashiwa | 2023/04/04 01:00 | Keisuke Saitoh v Yusuke Takahashi | 4-6,6-3,3-6 |
| ITF M25 Tsukuba | 2023/03/28 07:55 | Tatsuma Ito v Keisuke Saitoh | 4-6,7-5,6-2 |
| ITF M25 Daegu | 2023/06/10 00:55 | Jeamoon Lee v Dominik Palan | 7-6,6-4 |
| ITF M25 Daegu | 2023/06/09 02:55 | Jumpei Yamasaki v Dominik Palan | 4-6,2-6 |
| ITF M25 Daegu | 2023/06/08 03:05 | Jake Delaney v Dominik Palan | 4-6,2-6 |
| ITF M25 Daegu | 2023/06/07 02:45 | Woobin Shin v Dominik Palan | 4-6,4-6 |
| ITF M25 Jakarta | 2023/06/04 02:20 | Jason Jung v Dominik Palan | 6-2,6-2 |
| ITF M25 Jakarta | 2023/06/03 02:55 | Justin Barki v Dominik Palan | 7-5,6-7,4-6 |
| ITF M25 Jakarta | 2023/06/02 03:00 | Kokoro Isomura v Dominik Palan | 1-6,4-6 |
| ITF M25 Jakarta | 2023/06/01 04:00 | Arjun Mehrotra v Dominik Palan | 2-6,3-6 |