Stadium: Court 1 Round: 25
| ITF Korea F5 | 2018/08/24 01:15 | Jung-Woong Na v Makoto Ochi | 6-3,2-6,0-6 |
| ITF Korea F5 | 2018/08/22 02:00 | Mark Whitehouse v Jung-Woong Na | 6-4,3-6,3-6 |
| ITF Korea F5 | 2018/08/21 02:00 | Ku Keon Kang 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 | Shintaro Imai v Jung-Woong Na | 4-6,2-6 |
| Challenger Gwangju Qual | 2018/08/11 01:30 | Issei Okamura v Jung-Woong Na | 3-6,6-1,1-6 |
| 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 |
| ITF Korea F5 | 2018/08/21 03:15 | Cheong-Eui Kim v Juan Ignacio Batalla | 6-1,6-2 |
| ITF Ecuador F2 | 2018/07/31 17:05 | Juan R Bisono v Juan Ignacio Batalla | 6-2,6-7,6-1 |
| ITF Ecuador F1 | 2018/07/24 16:35 | Tyler Mercier v Juan Ignacio Batalla | 6-4,6-7,7-6 |
| 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 |