Stadium: Centre Court Round: 29
| ITF Korea F7 | 2016/08/30 01:30 | Makoto Ochi v Nam, Ji Sung | 6-1,6-4 |
| ITF Korea F8 | 2016/08/27 04:00 | Makoto Ochi v Nam, Ji Sung | 7-5,1-6,1-6 |
| ITF Korea F5 | 2018/08/25 01:00 | Kim, Cheong-Eui v Nam, Ji Sung | 2-6,3-6 |
| ITF Korea F5 | 2018/08/24 01:15 | Nam, Ji Sung v Son, Ji Hoon | 6-4,6-2 |
| ITF Korea F5 | 2018/08/23 04:45 | Nam, Ji Sung v Bourchier, Edward | 6-2,6-2 |
| ITF Korea F5 | 2018/08/21 01:00 | Nam, Ji Sung v Han, Seong Jae | 6-1,6-0 |
| 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 |
| ITF Korea F5 | 2018/08/25 01:00 | Chung, Hong v Makoto Ochi | 6-7,3-6 |
| ITF Korea F5 | 2018/08/24 01:15 | Na, Jung-Woong v Makoto Ochi | 6-3,2-6,0-6 |
| ITF Korea F5 | 2018/08/22 02:00 | Addison, Aaron v Makoto Ochi | 1-6,3-6 |
| ITF Korea F5 | 2018/08/21 02:45 | Mcdaniels, Mitchell Thomas v Makoto Ochi | 4-6,1-6 |
| Challenger - Gwangju | 2018/08/18 03:55 | Banes, Maverick v Makoto Ochi | 6-4,6-4 |
| Challenger - Gwangju | 2018/08/17 02:00 | Duckhee Lee v Makoto Ochi | 2-6,1-6 |
| Challenger - Gwangju | 2018/08/15 07:50 | Makoto Ochi v Blake Ellis | 7-5,6-1 |
| Challenger - Gwangju | 2018/08/13 08:40 | Lucas Catarina v Makoto Ochi | 3-6,2-6 |