Stadion: Court 10 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 - Caloundra | 2023/08/04 00:55 | Isaac Becroft v Keisuke Saitoh | 6-3,6-4 |
| ITF - M15 - Caloundra | 2023/08/03 00:50 | Tai Leonard Sach v Keisuke Saitoh | 2-6,1-6 |
| 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 - M25 - Hongkong | 2023/08/28 04:10 | Ji Hoon Son v Baoluo Zheng | 4-6,6-2,10-5 |
| ITF - M25 - Hongkong | 2023/08/27 04:30 | Ji Hoon Son v Kwok Shun Dasson Chan | 6-2,6-4 |
| ITF - M15 - Nakhon Si Thammarat | 2023/07/18 02:00 | Ji Hoon Son v Pawit Sornlaksup | 0-6,5-7 |
| ITF - M15 - Nakhon Si Thammarat - Qualifikation | 2023/07/09 06:40 | Ji Hoon Son v Siwanat Auytayakul | 6-3,2-6,7-10 |
| ITF - M15 - Nakhon Si Thammarat | 2023/07/07 02:00 | Ji Hoon Son v Ryuki Matsuda | 3-6,1-6 |
| ITF - M15 - Nakhon Si Thammarat | 2023/07/06 06:25 | Shinji Hazawa v Ji Hoon Son | 6-3,3-6,6-7 |
| ITF - M15 - Nakhon Si Thammarat | 2023/07/05 06:15 | Ji Hoon Son v Koki Matsuda | 6-4,3-6,6-3 |
| ITF - M15 - Nakhon Si Thammarat | 2023/07/03 03:20 | Ji Hoon Son v Seon Yong Han | 6-2,6-1 |