Stadium: Show Court Round: 26 Ground: Hardcourt outdoor
| ITF M15 Caloundra | 2023/08/02 03:20 | Tai Leonard Sach v Sam Oster | 6-1,6-3 |
| ITF M15 Caloundra | 2023/08/01 00:00 | Elijah Cham v Tai Leonard Sach | 6-4,4-6,3-10 |
| ITF M15 Caloundra | 2023/07/31 00:00 | Jesse Delaney v Tai Leonard Sach | 2-6,7-6,10-12 |
| ITF M15 Caloundra | 2023/07/25 23:55 | Luke Sorensen v Tai Leonard Sach | 2-6,7-6,7-6 |
| ITF M15 Caloundra | 2023/07/25 00:00 | Tai Leonard Sach v Daiki Yoshimura | 6-4,6-3 |
| ITF M15 Caloundra | 2023/07/24 04:00 | Tai Leonard Sach v Mason Naumovski | 6-0,6-4 |
| ITF M15 Nakhon Si Thammarat Qual | 2023/07/16 08:00 | Patorn Hanchaikul v Tai Leonard Sach | 7-6,6-2 |
| ITF M15 Nakhon Si Thammarat Qual | 2023/07/09 10:20 | Thanapet Chanta v Tai Leonard Sach | 5-7,6-3,10-7 |
| ITF M15 Caloundra | 2023/08/01 04:50 | Keisuke Saitoh v Edward Winter | 7-6,6-2 |
| 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 |