Stadium: Court 1 Round: 25
| ITF Korea F1 | 2018/06/06 01:00 | Jung-Woong Na v Ji Hoon Son | 6-4,6-7,6-4 |
| Challenger Busan | 2018/05/15 05:50 | Max Purcell v Jung-Woong Na | 6-4,6-1 |
| Challenger Gimcheon Qual | 2018/05/05 05:20 | Jacob Grills v Jung-Woong Na | 5-7,6-4,6-3 |
| Challenger Seoul Qual | 2018/04/29 02:00 | Jung-Woong Na v Makoto Ochi | 2-6,4-6 |
| Challenger Seoul Qual | 2018/04/28 03:05 | Jung-Woong Na v Tae-Woo Lee | 6-1,6-3 |
| ITF Turkey F5 | 2018/02/08 07:30 | Jung-Woong Na v Nino Serdarusic | 1-6,2-6 |
| ITF Turkey F5 | 2018/02/06 07:30 | Razvan M Codescu v Jung-Woong Na | 3-6,0-6 |
| ITF Turkey F5 | 2018/02/05 07:30 | Jung-Woong Na v Luka Miklavcic | 6-4,6-0 |
| ITF USA F18 | 2018/06/25 18:00 | Juan Ignacio Batalla v Brandon Perez | 2-6,1-6 |
| ITF USA F18 | 2018/06/25 14:00 | Juan Ignacio Batalla v Shane Monroe | 2-6,6-3,7-5 |
| ITF USA F16 | 2018/06/17 17:00 | Juan Ignacio Batalla v Daniel Fainblum | 4-6,1-6 |
| ITF USA F16 | 2018/06/16 19:00 | Juan Ignacio Batalla v Rached Rihani | 6-3,6-1 |
| ITF Mexico F3 | 2018/05/20 14:30 | Juan Ignacio Batalla v Alejandro H Franco | 6-3,4-6,6-7 |
| ITF Mexico F2 | 2018/05/14 16:00 | John Lamble v Juan Ignacio Batalla | 6-2,6-2 |
| ITF Mexico F2 | 2018/05/13 16:00 | Michel-Alexandre Fortin v Juan Ignacio Batalla | 6-7,3-6 |
| ITF Mexico F2 | 2018/05/12 15:00 | Jorge Alejandro Olaya v Juan Ignacio Batalla | 4-6,7-6,2-6 |