Stadium: Court 1 Round: 27
| ITF Korea F3 | 2018/06/20 02:30 | Yunseong Chung v Song, Min-Kyu | 7-6,7-6 |
| ITF Korea F3 | 2018/06/19 06:00 | Yunseong Chung v Moon, Ju-Hae | 6-3,4-6,7-5 |
| ITF Korea F2 | 2018/06/17 04:00 | Nam, Ji Sung v Yunseong Chung | 4-6,3-6 |
| ITF Korea F2 | 2018/06/16 02:40 | Jae Hwan Kim v Yunseong Chung | 4-6,7-5,2-6 |
| ITF Korea F2 | 2018/06/15 03:20 | Oh, Chan-Yeong v Yunseong Chung | 6-7,6-3,4-6 |
| ITF Korea F2 | 2018/06/14 03:45 | Moritani, Soichiro v Yunseong Chung | 6-7,0-6 |
| ITF Korea F2 | 2018/06/12 01:00 | Larriere, Clement v Yunseong Chung | 3-6,4-6 |
| ITF China F7 | 2018/06/01 06:15 | Gao, Xin v Yunseong Chung | 6-0,6-7,6-3 |
| ITF Korea F3 | 2018/06/20 02:30 | Kwon, OH-Hee v Hong, Seong Chan | 7-5,6-4 |
| ITF Korea F3 | 2018/06/19 06:35 | Cing-Yang Meng v Kwon, OH-Hee | 1-6,2-6 |
| Korea F3, Singles Qualifying | 2018/06/18 06:30 | Kim, Hyeong Don v Kwon, OH-Hee | 2-6,2-6 |
| Korea F3, Singles Qualifying | 2018/06/17 04:30 | Han, Seong Jae v Kwon, OH-Hee | 4-6,1-6 |
| Korea F3, Singles Qualifying | 2018/06/16 03:30 | Jung, Ki-Su v Kwon, OH-Hee | 0-6,1-6 |
| ITF Korea F1 | 2018/06/04 02:20 | Kwon, OH-Hee v Adamson, Alec | 5-7,4-6 |
| ITF Guam F1 | 2017/06/22 01:30 | Moritani, Soichiro v Kwon, OH-Hee | 6-2,2-6,6-3 |
| ITF Guam F1 | 2017/06/21 02:15 | Kishi, Ryota v Kwon, OH-Hee | 5-7,2-6 |