Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF Korea F2 | 2017/06/06 01:00 | Choi, Jae-Won v Chung, Hong | 2-6,0-6 |
| ITF Korea F1 | 2018/06/05 01:00 | Oh, Seong-Gook v Choi, Jae-Won | 1-6,5-7 |
| ITF Korea F4 | 2017/06/20 02:30 | Jeamoon Lee v Choi, Jae-Won | 6-1,6-3 |
| Korea F3, Singles Qualifying | 2017/06/10 02:00 | Kim, Dukyoung v Choi, Jae-Won | 6-4,6-4 |
| ITF Korea F2 | 2017/06/06 01:00 | Choi, Jae-Won v Chung, Hong | 2-6,0-6 |
| ITF Korea F1 | 2017/06/01 03:05 | Choi, Jae-Won v Hong, Seong Chan | 3-6,2-6 |
| ITF Korea F1 | 2017/05/30 01:00 | Choi, Jae-Won v Choi, Seungri | 6-3,6-1 |
| ITF Korea F8 | 2016/09/03 01:00 | Choi, Jae-Won v Sin, Dong-Hak | 4-6,5-7 |
| ITF Korea F7 | 2016/08/30 01:30 | Nagao, Katsuki v Choi, Jae-Won | 6-3,7-6 |
| 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 Thailand F11 | 2017/12/05 03:30 | Chung, Hong v Yan Bai | 2-6,3-6 |
| ITF Korea F5 | 2017/06/30 02:00 | Chung, Hong v Oh, Seong-Gook | 6-1,3-6,0-6 |
| ITF Korea F5 | 2017/06/29 04:05 | Chung, Hong v Nam, Hyun Woo | 6-0,6-2 |
| ITF Korea F5 | 2017/06/28 06:40 | Chung, Hong v Park, Sung Jun | 6-0,1-6,6-0 |
| ITF Korea F4 | 2017/06/25 03:00 | Chung, Hong v Kim, Cheong-Eui | 6-1,6-3 |