Stadium: Court 8 Round: 62 Ground: Hardcourt outdoor
| ITF Korea F2 | 2018/06/09 02:00 | Seoung Hun Lee v Geon Ju Shin | 6-3,6-4 |
| ITF Korea F2 | 2018/06/09 02:00 | Seoung Hun Lee v Geon Ju Shin | 6-3,6-4 |
| ITF Korea F5 | 2017/06/26 01:30 | Dong-Hak Sin v Geon Ju Shin | 7-5,6-3 |
| ITF Korea F5 | 2017/06/25 01:00 | Geon Ju Shin v Jae Won Yun | 6-4,6-3 |
| ITF Korea F4 | 2017/06/19 01:00 | Sang Yeop Kim v Geon Ju Shin | 6-3,6-4 |
| ITF Korea F4 | 2017/06/18 01:00 | Ki Bum Kim v Geon Ju Shin | 1-6,1-6 |
| ITF Korea F3 Qual | 2017/06/12 03:00 | Young-Hoon Jeong v Geon Ju Shin | 6-0,6-0 |
| ITF Korea F3 Qual | 2017/06/11 04:30 | Hyeon il Jung v Geon Ju Shin | 2-6,6-4,2-6 |
| ITF Korea F2 Qual | 2017/06/03 02:00 | Byeonghun Kim v Geon Ju Shin | 4-6,6-1,6-0 |
| 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 |
| ITF Korea F3 Qual | 2017/06/11 04:30 | Seung-Hun Shin v Seoung Hun Lee | 6-3,7-6 |
| ITF Korea F2 Qual | 2017/06/05 03:00 | Ku Keon Kang v Seoung Hun Lee | 5-7,6-2,6-4 |