Stadium: Court 11 Round: 25
| Challenger - Gwangju | 2018/08/19 01:55 | Banes, Maverick v Nam, Ji Sung | 6-3,4-6,6-4 |
| Challenger - Gwangju | 2018/08/18 02:00 | Alexander Bublik v Nam, Ji Sung | 6-7,5-7 |
| Challenger - Gwangju | 2018/08/17 03:30 | Akira Santillan v Nam, Ji Sung | 2-6,3-6 |
| Challenger - Gwangju | 2018/08/16 06:00 | Xia, Zihao v Nam, Ji Sung | 2-6,3-6 |
| Challenger - Gwangju | 2018/08/14 08:20 | Nam, Ji Sung v Henri Laaksonen | 6-1,6-1 |
| Challenger Gwangju Qual | 2018/08/13 01:00 | Nam, Ji Sung v Reinwein, Sami | 6-2,6-4 |
| Challenger Gwangju Qual | 2018/08/12 03:25 | Nam, Ji Sung v Mladenov, Vasko | 6-3,6-3 |
| ITF China F10 | 2018/07/13 06:15 | Nam, Ji Sung v Rigele Te | 3-6,4-6 |
| ITF Korea F5 | 2018/08/20 01:00 | Han, Seong Jae v Im, Seong Taek | 2-6,2-6 |
| ITF Korea F5 | 2018/08/19 02:00 | Han, Jin Sung v Han, Seong Jae | 4-6,5-7 |
| ITF Korea F5 | 2018/08/18 03:00 | Seon Yong Han v Han, Seong Jae | 4-6,3-6 |
| ITF Korea F4 | 2018/08/12 02:00 | Im, Seong Taek v Han, Seong Jae | 7-5,6-2 |
| ITF Korea F4 | 2018/08/11 01:00 | Han, Seong Jae v Kim, Byeonghun | 6-2,4-6,6-3 |
| 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 | Kim, Dukyoung v Han, Seong Jae | 6-3,4-6,1-6 |
| ITF Korea F2 | 2018/06/09 03:00 | Lee, Woo Young v Han, Seong Jae | 3-6,6-1,7-6 |