Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Gimcheon | 2019/06/20 04:05 | Seon Yong Han v Takuto Niki | 4-6,2-6 |
| ITF M15 Gimcheon | 2019/06/19 02:15 | Dominik Palan v Seon Yong Han | 6-7,7-6,4-6 |
| ITF M15 Gimcheon | 2019/06/14 03:35 | Seon Yong Han v Jean Thirouin | 6-7,2-6 |
| ITF M15 Gimcheon | 2019/06/13 05:00 | Young-Hoon Jeong v Seon Yong Han | 6-3,3-6,5-7 |
| ITF M15 Gimcheon | 2019/06/12 01:00 | Seon Yong Han v Tae-Woo Lee | 6-2,6-4 |
| ITF M15 Daegu | 2019/06/05 01:00 | Jun Sang Park v Seon Yong Han | 6-2,6-2 |
| ITF M15 Daegu | 2019/06/03 02:40 | Chanchai Sookton-Eng v Seon Yong Han | 6-1,6-1 |
| ITF M15 Wuhan | 2019/05/02 03:25 | Kuan-Yi Lee v Seon Yong Han | 6-2,6-2 |
| ITF M15 Daegu | 2019/06/03 02:40 | Jung Ho Shin v Young Seok Lee | 4-6,3-6 |
| Challenger Busan | 2019/05/06 02:00 | Makoto Ochi v Young Seok Lee | 6-3,6-4 |
| ITF M15 Anning | 2019/01/14 05:30 | Grigoriy Lomakin v Young Seok Lee | 6-1,4-6,13-11 |
| ITF M15 Anning | 2019/01/14 01:30 | Young Seok Lee v Ruikai Wang | 6-3,5-7,10-3 |
| ITF M15 Anning | 2018/12/31 01:30 | Young Seok Lee v Ye Cong Mo | 2-6,6-1,3-10 |
| ITF Korea F5 | 2018/08/18 01:00 | Young Seok Lee v Seoung Hun Lee | 3-6,2-6 |
| ITF Korea F4 | 2018/08/16 03:05 | Young Seok Lee v Uisung Park | 2-6,0-6 |
| ITF Korea F4 | 2018/08/14 01:00 | Aaron Addison v Young Seok Lee | 6-0,3-6,2-6 |