| ITF Korea F1 Qual | 2017/05/29 04:20 | СЕОНГ-ГУУК ОХ v Woo Hyeok Jang | 2-6,3-6 |
| ITF Korea F4 | 2017/06/22 04:05 | Юнсеонг Чунг v СЕОНГ-ГУУК ОХ | 6-2,6-2 |
| ITF Korea F4 | 2017/06/20 02:55 | Hyun-Woo Nam v СЕОНГ-ГУУК ОХ | 2-6,2-6 |
| ITF Korea F4 | 2017/06/19 01:00 | СЕОНГ-ГУУК ОХ v Hyeong Don Kim | 6-3,6-1 |
| ITF Korea F4 | 2017/06/18 02:00 | СЕОНГ-ГУУК ОХ v Dong Woon Kang | 7-5,6-4 |
| ITF Korea F3 | 2017/06/14 01:00 | СЕОНГ-ГУУК ОХ v Тае-Во Ли | 2-6,4-6 |
| ITF Korea F3 Qual | 2017/06/12 03:00 | СЕОНГ-ГУУК ОХ v Jun Sang Park | 7-5,7-6 |
| ITF Korea F3 Qual | 2017/06/11 04:30 | СЕОНГ-ГУУК ОХ v A-Ram Kim | 6-3,6-1 |
| ITF Korea F3 Qual | 2017/06/10 03:00 | СЕОНГ-ГУУК ОХ v In Kyo Jeong | 6-3,6-4 |
| 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 | Чан-Йеонг Ох v Woo Hyeok Jang | 6-2,4-6,6-1 |
| ITF Korea F1 Qual | 2017/05/29 04:20 | СЕОНГ-ГУУК ОХ v Woo Hyeok Jang | 2-6,3-6 |
| ITF Korea F1 Qual | 2017/05/28 06:30 | Woo Hyeok Jang v Hyung-Chan Lim | 6-2,6-3 |
| ITF Korea F8 | 2016/08/29 01:30 | Woo Hyeok Jang v Лий Джеа-мун | 6-7,5-7 |