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