Round: 26 Ground: Hardcourt outdoor
| ITF Korea F1 | 2016/06/15 06:35 | Soonwoo Kwon v Ji Sung Nam | 7-5,2-6,3-6 |
| ITF Korea F1 | 2015/05/22 04:55 | Ilya Ivashka v Ji Sung Nam | 6-3,4-6,6-1 |
| ITF Korea F1 | 2015/05/20 02:00 | Ji Sung Nam v Sang-Woo Noh | 6-2,6-4 |
| ITF Thailand F9 | 2015/04/27 03:00 | Gengo Kikuchi v Ji Sung Nam | 6-4,6-7,6-3 |
| ITF Thailand F9 | 2015/04/21 06:50 | Akira Santillan v Ji Sung Nam | 7-6,6-1 |
| Davis Cup | 2015/03/08 05:15 | Warit Sornbutnark v Ji Sung Nam | 6-4,6-3 |
| ITF USA F4 | 2015/01/15 18:00 | Alexander Sarkissian v Ji Sung Nam | 6-4,6-2 |
| ITF USA F4 | 2015/01/14 18:00 | Ji Sung Nam v Marcos Giron | 6-4,6-2 |
| ITF Korea F1 | 2016/06/15 03:45 | Ryota Kishi v Dong-Kyu Lee | 2-6,2-6 |
| ITF Korea F1 Qual | 2016/06/13 03:00 | Dong-Kyu Lee v Hyeon il Jung | 6-1,3-6,6-2 |
| ITF Korea F1 Qual | 2016/06/12 02:00 | Dong-Kyu Lee v Donghwi Shin | 6-3,6-1 |
| ITF Korea F1 Qual | 2016/06/11 01:00 | Dong-Kyu Lee v Seung-Hun Shin | 7-5,4-6,6-0 |
| ITF Korea F1 | 2015/05/20 05:00 | Dylan Seong Kwan Kim v Dong-Kyu Lee | 6-0,6-1 |
| ITF Korea F1 | 2015/05/19 03:00 | Ji Hoon Son v Dong-Kyu Lee | 6-1,4-6,2-6 |
| ITF Korea F1 | 2015/05/17 02:00 | Dong-Kyu Lee v Ku Keon Kang | 7-6,6-2 |
| ITF Korea F1 | 2015/05/16 03:30 | Ji-Ha Kim v Dong-Kyu Lee | 5-7,3-6 |