| ITF Korea F4 | 2018/08/12 02:00 | Seol, Jae-Min v Jung, Ki-Su | 3-6,2-6 |
| ITF Korea F4 | 2018/08/11 01:00 | Jung, Ki-Su v Jung, Hyeon IL | 6-3,6-4 |
| Korea F3, Singles Qualifying | 2018/06/16 03:30 | Jung, Ki-Su v Kwon, OH-Hee | 0-6,1-6 |
| ITF Korea F2 | 2018/06/12 02:30 | Moon, Ju-Hae v Jung, Ki-Su | 6-2,6-4 |
| ITF Korea F1 | 2018/06/04 03:00 | Jung, Ki-Su v Ratsaratany, Loic | 6-7,3-6 |
| ITF Korea F1 | 2018/06/02 03:30 | Jung, Ki-Su v Jin, Hyun Bin | 6-1,6-1 |
| ITF Turkey F5 | 2018/02/04 07:30 | Nam, Ji Sung v Jung, Ki-Su | 7-6,6-3 |
| ITF Turkey F3 | 2018/01/23 07:30 | Jung, Ki-Su v Na, Jung-Woong | 1-6,2-6 |
| ITF Korea F4 | 2018/08/12 02:00 | Jeong, In Kyo v Han, Jin Sung | 5-7,6-7 |
| ITF Korea F4 | 2018/08/11 01:00 | Fukuoka, Yusei v Han, Jin Sung | 1-6,2-6 |
| Korea F3, Singles Qualifying | 2018/06/16 01:00 | Mcdaniels, Mitchell Thomas v Han, Jin Sung | 6-3,6-1 |
| ITF Korea F2 | 2018/06/11 05:00 | Wang, Chukang v Han, Jin Sung | 7-6,6-2 |
| ITF Korea F2 | 2018/06/10 06:30 | Han, Jin Sung v Sin, Dong-Hak | 7-6,4-6,7-6 |
| ITF Korea F1 | 2018/06/02 03:30 | Yoon, Ilsang v Han, Jin Sung | 7-6,4-6,6-3 |
| ITF Korea F8 | 2016/08/20 02:00 | Han, Jin Sung v Sora Fukuda | 6-3,6-7,4-6 |
| ITF Korea F1 Qual | 2016/06/12 03:00 | Choi, Jae-Won v Han, Jin Sung | 6-1,6-3 |