Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Nakhon Si Thammarat | 2023/08/23 06:30 | Yuttana Charoenphon v Yunseok Jang | 4-6,7-5,7-6 |
| ITF M25 Anseong | 2023/06/22 02:00 | Yunseok Jang v Yuki Mochizuki | 4-6,3-6 |
| ITF M25 Anseong | 2023/06/20 02:00 | Ji Hoon Son v Yunseok Jang | 6-4,3-6,0-6 |
| ITF M25 Changwon | 2023/06/14 02:20 | Yunseok Jang v Uisung Park | 2-6,5-7 |
| ITF M25 Daegu | 2023/06/06 01:05 | Yeongseok Jeong v Yunseok Jang | 7-5,4-6,6-1 |
| Challenger Seoul | 2023/04/23 02:00 | Edan Leshem v Yunseok Jang | 6-3,6-2 |
| ITF M25 Jakarta | 2023/04/20 02:30 | Leo Borg v Yunseok Jang | 6-1,7-5 |
| ITF M25 Jakarta | 2023/04/19 02:30 | Yunseok Jang v Koki Matsuda | 7-5,6-2 |
| ITF M15 Nakhon Si Thammarat | 2023/08/28 02:00 | Ishaque Eqbal v Congsup Congcar | 3-6,6-3,10-8 |
| ITF M15 Nakhon Si Thammarat Qual | 2023/08/27 03:30 | Ha Minh Duc Vu v Congsup Congcar | 2-6,7-5,6-10 |
| ITF M15 Nakhon Si Thammarat | 2023/08/20 05:20 | Vadym Konovchuk v Congsup Congcar | 6-7,7-6,10-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/17 04:30 | Congsup Congcar v Patorn Hanchaikul | 3-6,3-6 |
| ITF M15 Nakhon Si Thammarat Qual | 2023/07/16 03:00 | Congsup Congcar v Pablo M Torres Almeida | 6-4,6-3 |
| ITF M15 Nakhon Si Thammarat | 2023/07/13 02:00 | Ryuki Matsuda v Congsup Congcar | 7-5,6-1 |
| ITF M15 Nakhon Si Thammarat | 2023/07/12 03:05 | Yuttana Charoenphon v Congsup Congcar | 4-6,6-7 |
| ITF M15 Nakhon Si Thammarat | 2023/07/05 07:10 | Congsup Congcar v Ryuki Matsuda | 4-6,1-6 |