Stadium: Court 13 Round: 62
| ITF Korea F2 Qual | 2017/06/05 03:00 | Ku Keon Kang v Seoung Hun Lee | 5-7,6-2,6-4 |
| ITF Korea F3 Qual | 2018/06/17 04:30 | Ku Keon Kang v Hyeong Don Kim | 4-6,6-1,4-6 |
| ITF Korea F3 Qual | 2018/06/16 03:30 | Ku Keon Kang v Sung Hun Kim | 6-4,7-5 |
| ITF Korea F2 | 2018/06/13 04:45 | Ji Hoon Son v Ku Keon Kang | 6-1,6-4 |
| ITF Korea F2 | 2018/06/11 03:30 | Ku Keon Kang v Alec Adamson | 7-5,2-6,7-5 |
| ITF Korea F2 | 2018/06/10 05:00 | Ku Keon Kang v Dukyoung Kim | 6-2,6-4 |
| ITF Korea F1 | 2018/06/05 01:00 | Chan-Yeong Oh v Ku Keon Kang | 6-4,6-4 |
| ITF Vietnam F3 | 2018/05/15 03:00 | Ku Keon Kang v Paramveer Singh Bajwa | 2-6,6-7 |
| ITF Vietnam F2 | 2018/05/06 06:00 | Ku Keon Kang v Aaron Addison | 3-6,2-6 |
| 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 |
| ITF Korea F2 | 2018/06/10 05:00 | Sang-Woo Noh v Seoung Hun Lee | 6-3,6-3 |
| ITF Korea F2 | 2018/06/09 02:00 | Seoung Hun Lee v Geon Ju Shin | 6-3,6-4 |
| ITF Korea F1 | 2018/06/02 02:00 | Sung Jun Park v Seoung Hun Lee | 6-1,6-1 |
| Challenger Gwangju Qual | 2017/09/16 01:30 | Seoung Hun Lee v Dae-Hee Lee | 4-6,3-6 |
| ITF Korea F5 | 2017/06/26 01:30 | Seong Chan Hong v Seoung Hun Lee | 6-3,6-0 |
| ITF Korea F4 | 2017/06/19 01:00 | Woo-Ram Kim v Seoung Hun Lee | 4-6,6-3,6-2 |