| ITF Corea F1 | 2018/06/02 02:00 | Jun Sang Park v In Kyo Jeong | 6-1,6-2 |
| ITF Corea del Sud F5 | 2017/06/28 06:10 | In Kyo Jeong v Yong-Kyu Lim | 6-7,2-6 |
| ITF Corea F4 | 2017/06/17 01:00 | In Kyo Jeong v Seon Yong Han | 4-6,1-6 |
| ITF Corea F3 - Qual. | 2017/06/10 03:00 | Seong-Gook Oh v In Kyo Jeong | 6-3,6-4 |
| ITF Corea F2 - Qual. | 2017/06/05 03:00 | Sang Yeop Kim v In Kyo Jeong | 6-4,6-2 |
| ITF Corea F2 - Qual. | 2017/06/04 04:30 | Yu-Seob Kim v In Kyo Jeong | 3-6,5-7 |
| ITF Corea F2 - Qual. | 2017/06/03 03:00 | In Kyo Jeong v Ho-Min Kang | 6-1,6-2 |
| ITF Corea F1 - Qual. | 2017/05/27 03:30 | Woo-Ram Kim v In Kyo Jeong | 5-7,7-6,6-0 |
| ITF Corea F1 | 2018/06/02 03:30 | Hyeong Don Kim v Eun Chong Shin | 6-2,6-0 |
| ITF Corea del Sud F5 | 2017/06/25 01:00 | Eun Chong Shin v Woo-Ram Kim | 3-6,4-6 |
| Challenger Seoul - Qual. | 2017/05/06 06:00 | Juan Pablo Paz v Eun Chong Shin | 6-3,6-2 |