Stadium: Court 5 Round: 26
| ITF Korea F6 | 2018/08/28 03:30 | Jung-Woong Na v Juan Ignacio Batalla | 6-2,6-1 |
| ITF Korea F5 | 2018/08/24 01:15 | Jung-Woong Na v Μακότο Όκι | 6-3,2-6,0-6 |
| ITF Korea F5 | 2018/08/22 02:00 | Μάρκ Γουάιτχάουζ v Jung-Woong Na | 6-4,3-6,3-6 |
| ITF Korea F5 | 2018/08/21 02:00 | Κου Κέον Κανγκ v Jung-Woong Na | 6-4,6-7,0-6 |
| Challenger Gwangju Qual | 2018/08/13 01:00 | Jung-Woong Na v Yecong He | 6-3,5-7,5-7 |
| Challenger Gwangju Qual | 2018/08/12 01:30 | Σιντάρο Ιμάι v Jung-Woong Na | 4-6,2-6 |
| Challenger Gwangju Qual | 2018/08/11 01:30 | Ισέι Οκαμούρα v Jung-Woong Na | 3-6,6-1,1-6 |
| ITF Korea F1 | 2018/06/06 01:00 | Jung-Woong Na v Τζι Χουν Σον | 6-4,6-7,6-4 |
| ITF Korea F6 | 2018/08/28 03:50 | Seong Jae Han v Eun Chong Shin | 6-4,6-4 |
| ITF Korea F5 | 2018/08/21 01:00 | Τζι Σουνγκ Ναμ v Seong Jae Han | 6-1,6-0 |
| ITF Korea F5 | 2018/08/20 01:00 | Seong Jae Han v Seong Taek Im | 2-6,2-6 |
| ITF Korea F5 | 2018/08/19 02:00 | Jin Sung Han v Seong Jae Han | 4-6,5-7 |
| ITF Korea F5 | 2018/08/18 03:00 | Σεόν Γιόνγκ Χάν v Seong Jae Han | 4-6,3-6 |
| ITF Korea F4 | 2018/08/12 02:00 | Seong Taek Im v Seong Jae Han | 7-5,6-2 |
| ITF Korea F4 | 2018/08/11 01:00 | Seong Jae Han v Byeonghun Kim | 6-2,4-6,6-3 |
| ITF Korea F3 Qual | 2018/06/17 04:30 | Seong Jae Han v Oh-Hee Kwon | 4-6,1-6 |