Round: 44 Ground: Hardcourt outdoor
| ITF Korea F3 Qual | 2017/06/11 04:30 | Ivan Kalinin v Young Min Joo | 6-2,6-2 |
| ITF Korea F3 Qual | 2017/06/10 05:00 | Young Min Joo v Donghwi Shin | 6-2,6-1 |
| ITF Korea F2 Qual | 2017/06/04 04:30 | Hyeong Jin Cho v Young Min Joo | 3-6,6-4,7-5 |
| ITF Korea F1 Qual | 2017/05/27 03:30 | Young Min Joo v A-Ram Kim | 4-6,6-7 |
| Challenger Gwangju Qual | 2017/09/17 02:40 | Woo Hyeok Jang v Yuya Kibi | 4-6,0-6 |
| Challenger Gwangju Qual | 2017/09/16 01:30 | Woo Hyeok Jang v Daniel Yoo | 6-4,6-4 |
| ITF Korea F5 | 2017/06/27 01:30 | Seong-Gook Oh v Woo Hyeok Jang | 6-4,6-3 |
| ITF Korea F4 | 2017/06/17 02:00 | Woo Hyeok Jang v Seong Jae Han | 2-6,6-3,3-6 |
| ITF Korea F2 Qual | 2017/06/05 03:00 | Jung-Woong Na v Woo Hyeok Jang | 6-4,6-1 |
| ITF Korea F2 Qual | 2017/06/04 03:00 | Woo Young Lee v Woo Hyeok Jang | 3-6,2-6 |
| ITF Korea F2 Qual | 2017/06/03 02:00 | Min Hyun Lee v Woo Hyeok Jang | 3-6,4-6 |
| ITF Korea F1 | 2017/05/31 06:40 | Chan-Yeong Oh v Woo Hyeok Jang | 6-2,4-6,6-1 |