| ITF Korea F1 Qual | 2017/05/27 02:00 | Jae Won Yun v Ho-Gi Kang | 7-5,2-6,3-6 |
| ITF Egypt F33 | 2015/02/23 09:50 | Simeon Rossier v Jae Won Yun | 4-6,7-6,6-2 |
| ITF Egypt F33 | 2015/02/22 08:00 | Jae Won Yun v George Von Massow | 6-2,7-6 |
| ITF Egypt F6 | 2015/02/15 10:30 | Jae Won Yun v David Pichler | 4-6,4-6 |
| ITF Egypt F4 | 2015/02/04 08:00 | Jan Zielinski v Jae Won Yun | 6-4,6-4 |
| ITF Egypt F30 | 2015/01/29 09:15 | Dusan Lojda v Jae Won Yun | 6-2,6-1 |
| ITF Egypt F30 | 2015/01/27 08:00 | Youssef Hossam v Jae Won Yun | 6-7,5-7 |
| ITF Egypt F30 | 2015/01/19 08:00 | Jung-Woong Na v Jae Won Yun | 6-4,7-5 |
| ITF Korea F1 | 2017/06/02 02:50 | Chan-Yeong Oh v Makoto Ochi | 0-6,2-6 |
| ITF Korea F1 | 2017/06/01 02:00 | Ju-Hae Moon v Chan-Yeong Oh | 3-6,2-6 |
| ITF Korea F1 | 2017/05/31 06:40 | Chan-Yeong Oh v Woo Hyeok Jang | 6-2,4-6,6-1 |
| Challenger Busan | 2017/05/15 08:00 | Chan-Yeong Oh v Sadio Doumbia | 6-2,2-6,2-6 |
| Challenger Seoul Qual | 2017/05/07 01:30 | Chan-Yeong Oh v Luke Saville | 2-6,4-6 |
| Challenger Seoul Qual | 2017/05/06 01:00 | Chan-Yeong Oh v Hyeong Jin Cho | 6-1,6-2 |
| Challenger Gimcheon Qual | 2017/04/30 02:50 | Chan-Yeong Oh v Hubert Hurkacz | 0-6,3-6 |
| Challenger Gimcheon Qual | 2017/04/29 03:50 | Hangyeom Kim v Chan-Yeong Oh | 2-6,3-6 |