Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF - M15 Nakhon Si Thammarat | 2023/07/07 02:00 | Son, Ji Hoon v Ryuki Matsuda | 3-6,1-6 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/06 06:25 | Shinji Hazawa v Son, Ji Hoon | 6-3,3-6,6-7 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/05 06:15 | Son, Ji Hoon v Koki Matsuda | 6-4,3-6,6-3 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/03 03:20 | Son, Ji Hoon v Seon Yong Han | 6-2,6-1 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/02 07:40 | Son, Ji Hoon v Vadym Konovchuk | 6-3,6-3 |
| ITF M25 Anseong | 2023/06/20 02:00 | Son, Ji Hoon v Yunseok Jang | 6-4,3-6,0-6 |
| ITF M25 Changwon | 2023/06/14 02:50 | Kawakami, Rimpei v Son, Ji Hoon | 6-7,6-4,7-5 |
| ITF M25 Changwon | 2023/06/12 05:45 | Son, Ji Hoon v Choo, Suk Hyun | 6-3,6-3 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/06 06:35 | Siwanat Auytayakul v Dzhavakian, Yurii | 6-4,4-6,6-7 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/05 04:55 | Siwanat Auytayakul v Dev Javia | 7-5,7-5 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/03 04:00 | Siwanat Auytayakul v Tommy Czaplinski | 6-4,3-6,10-8 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/02 05:45 | Yamato Sueoka v Siwanat Auytayakul | 6-7,3-6 |
| ITF M25 Nakhon Si Thammarat | 2023/06/11 02:00 | Siwanat Auytayakul v Wattanakul, Pol | 4-6,6-7 |
| ITF - M15 Nakhon Si Thammarat - Qualif. | 2023/06/04 04:00 | Siwanat Auytayakul v Wattanakul, Pol | 7-6,5-7,8-10 |
| ITF - M15 Nakhon Si Thammarat | 2023/05/29 04:10 | Siwanat Auytayakul v Credit Chaiyarin | 0-6,2-6 |
| ITF - M15 Nakhon Si Thammarat | 2023/05/28 04:00 | Abhinav Sanjeev Shanmugam v Siwanat Auytayakul | 1-6,6-3,6-10 |