Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Nakhon Si Thammarat | 2023/07/19 05:55 | Seon Yong Han v Yamato Sueoka | 3-6,6-3,3-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/17 04:30 | Seon Yong Han v Julien De Cuyper | 6-3,6-2 |
| ITF M15 Nakhon Si Thammarat Qual | 2023/07/16 05:30 | Seon Yong Han v Tanakorn Srirat | 6-3,4-6,10-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/09 09:45 | Julien De Cuyper v Seon Yong Han | 7-5,3-6,10-5 |
| ITF M15 Nakhon Si Thammarat | 2023/07/03 03:20 | Ji Hoon Son v Seon Yong Han | 6-2,6-1 |
| ITF M15 Nakhon Si Thammarat | 2023/07/02 07:05 | Anapat Timangkul v Seon Yong Han | 1-6,2-6 |
| ITF M25 Anseong | 2023/06/18 01:00 | Seon Yong Han v Seung Woo Cho | 5-7,3-6 |
| ITF M25 Anseong | 2023/06/18 01:00 | Seon Yong Han v Jeong Heon Lee | 6-4,6-1 |
| ITF M25 Jakarta | 2023/08/06 04:55 | Justin Kuo v Junhyun Lee | 4-6,2-6 |
| ITF M25 Anseong | 2023/06/18 05:15 | Junhyun Lee v Young Seok Kim | 2-6,3-6 |
| ITF M25 Changwon | 2023/06/14 01:00 | Junhyun Lee v Jangjun Kim | 6-7,6-7 |
| ITF M25 Changwon | 2023/06/12 08:30 | Junhyun Lee v Dong Ju Kim | 3-6,6-3,13-11 |
| ITF M25 Changwon | 2023/06/12 02:35 | Junhyun Lee v Dohyun Kim | 6-2,6-1 |
| ITF M25 Changwon | 2023/06/11 08:20 | Junhyun Lee v Christopher Heck | 6-2,3-6,10-6 |
| ITF M25 Canberra | 2023/03/19 23:00 | Jiayang Dong v Junhyun Lee | 4-6,6-4,10-8 |
| ITF M25 Canberra | 2023/03/13 23:00 | Alexander Klintcharov v Junhyun Lee | 6-2,6-1 |