Stadium: Court 8 Round: 62
| Challenger - Gwangju | 2018/08/14 06:30 | Duckhee Lee v Chung, Hong | 7-6,6-2 |
| ITF Korea F3 | 2018/06/19 06:35 | Chung, Hong v Shintaro Imai | 6-7,6-3,1-6 |
| ITF Korea F2 | 2018/06/13 06:45 | Chung, Hong v Oh, Chan-Yeong | 2-6,2-6 |
| ITF Korea F1 | 2018/06/08 03:30 | Niki, Takuto v Chung, Hong | 6-1,6-0 |
| ITF Korea F1 | 2018/06/07 01:00 | Choi, Jae-Won v Chung, Hong | 6-2,4-6,5-7 |
| ITF Korea F1 | 2018/06/05 01:00 | Adamson, Alec v Chung, Hong | 5-7,6-2,2-6 |
| Challenger Busan Qual | 2018/05/12 04:15 | Chung, Hong v Banes, Maverick | 3-6,4-6 |
| ITF Thailand F12 | 2017/12/12 03:00 | Chung, Hong v Meis, Pascal | 2-6,6-7 |
| ITF Korea F5 | 2018/08/19 02:00 | Yun, Jae Won v Shin, Donghwi | 6-2,6-2 |
| ITF Korea F5 | 2018/08/18 02:00 | Shin, Geon Ju v Yun, Jae Won | 4-6,4-6 |
| ITF Korea F4 | 2018/08/12 02:00 | Yun, Jae Won v Lee, Seounghun | 6-3,2-6,6-7 |
| ITF Korea F4 | 2018/08/11 01:00 | Yun, Jae Won v Park, Jaeyoung | 6-1,6-3 |
| Korea F3, Singles Qualifying | 2018/06/17 03:00 | Jeong, Young-Hoon v Yun, Jae Won | 6-2,6-2 |
| Korea F3, Singles Qualifying | 2018/06/16 05:00 | Yun, Jae Won v Kim, Cheong Hwi | 6-0,5-7,6-1 |
| ITF Korea F2 | 2018/06/09 02:00 | Yun, Jae Won v Jung, Hyeon IL | 6-4,4-6,3-6 |
| ITF Korea F5 | 2017/06/25 01:00 | Shin, Geon Ju v Yun, Jae Won | 6-4,6-3 |