Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Gimcheon | 2019/06/20 02:50 | Oh-Hee Kwon v Cheong-Eui Kim | 3-6,6-3,2-6 |
| ITF M15 Gimcheon | 2019/06/19 01:00 | Oh-Hee Kwon v Daisuke Sumizawa | 4-6,7-6,6-3 |
| ITF M15 Gimcheon | 2019/06/18 02:40 | Oh-Hee Kwon v Joseph W. Van Meter | 6-2,6-3 |
| ITF M15 Gimcheon | 2019/06/17 03:45 | Oh-Hee Kwon v Woo Young Lee | 6-0,6-1 |
| ITF M15 Akishima | 2019/06/12 01:00 | Oh-Hee Kwon v Hiroyasu Ehara | 1-6,3-6 |
| ITF M15 Akishima | 2019/06/11 03:10 | Oh-Hee Kwon v Taiyo Hirano | 6-2,6-2 |
| ITF M15 Daegu | 2019/06/06 02:00 | Cheong-Eui Kim v Oh-Hee Kwon | 4-6,6-3,6-0 |
| ITF M15 Daegu | 2019/06/05 01:00 | Ken Onishi v Oh-Hee Kwon | 2-6,2-6 |
| ITF M15 Anseong | 2019/06/25 01:00 | Chanchai Sookton-Eng v Young Seok Lee | 3-6,6-1,9-11 |
| ITF M15 Anseong | 2019/06/24 01:00 | Seon Yong Han v Young Seok Lee | 2-6,1-6 |
| 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 |