Round: 54 Ground: Synthetic outdoor
| ITF M15 Daegu | 2019/06/03 01:00 | Sung Jun Park v Seoung Hun Lee | 6-2,6-0 |
| ITF Korea F5 | 2018/08/21 05:05 | Seoung Hun Lee v Jae Hwan Kim | 1-6,0-6 |
| ITF Korea F5 | 2018/08/20 01:00 | Seoung Hun Lee v Dong Ju Kim | 6-1,6-1 |
| ITF Korea F5 | 2018/08/19 02:00 | William Ma v Seoung Hun Lee | 6-3,4-6,3-6 |
| ITF Korea F5 | 2018/08/18 01:00 | Young Seok Lee v Seoung Hun Lee | 3-6,2-6 |
| ITF Korea F4 | 2018/08/13 01:00 | Ku Keon Kang v Seoung Hun Lee | 6-2,6-2 |
| ITF Korea F4 | 2018/08/12 02:00 | Jae Won Yun v Seoung Hun Lee | 6-3,2-6,6-7 |
| ITF Korea F3 Qual | 2018/06/16 01:00 | Geon Ju Shin v Seoung Hun Lee | 3-6,4-6 |