Stadium: Court 11 Round: 25 Ground: Hardcourt outdoor
| ITF M15 - Caloundra | 2023/07/27 00:00 | Isaac Becroft v Keisuke Saitoh | 5-7,6-2,6-1 |
| ITF M15 - Caloundra | 2023/07/25 03:30 | Matthew Burton v Keisuke Saitoh | 3-6,2-6 |
| ITF M25 - Anseong | 2023/06/20 02:00 | Keisuke Saitoh v Yeongseok Jeong | 6-7,4-6 |
| ITF M25 - Changwon | 2023/06/14 06:00 | Keisuke Saitoh v Dominik Palan | 5-7,6-7 |
| 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 |
| ITF M15 - Caloundra | 2023/07/28 00:00 | Edward Winter v Luke Saville | 3-6,4-6 |
| ITF M15 - Caloundra | 2023/07/27 01:40 | Edward Winter v Brandon Walkin | 4-6,6-2,7-6 |
| ITF M15 - Caloundra | 2023/07/26 00:00 | Edward Winter v Jacob Bradshaw | 7-6,6-3 |
| ITF M25 - Champaign | 2023/07/20 16:50 | Edward Winter v Alexander Bernard | 4-6,2-6 |
| ITF M25 - Champaign | 2023/07/19 22:20 | Edward Winter v Samir Banerjee | 6-3,7-5 |
| ITF M25 - Dallas | 2023/07/15 19:00 | Edward Winter v Aidan Mayo | 4-6,4-6 |
| ITF M25 - Dallas | 2023/07/14 18:35 | Edward Winter v Noah Schachter | 6-1,6-0 |
| ITF M25 - Dallas | 2023/07/13 15:30 | Evgeny Donskoy v Edward Winter | 2-6,4-6 |