Stadium: Court 2 Round: 26
| 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 |
| 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 |
| ITF Korea F3 | 2018/06/21 03:20 | Sanhui Shin v Cheong-Eui Kim | 6-7,3-6 |
| ITF Korea F3 | 2018/06/19 08:30 | Yeongseok Jeong v Sanhui Shin | 6-4,5-7,2-6 |
| ITF Korea F3 Qual | 2018/06/18 03:30 | Seonyong Han v Sanhui Shin | 1-6,6-2,4-6 |
| ITF Korea F3 Qual | 2018/06/17 04:30 | Sanhui Shin v Minjong Park | 6-0,6-7,6-4 |
| ITF Korea F3 Qual | 2018/06/16 03:30 | Sanhui Shin v Byeonghun Kim | 6-2,6-0 |
| Challenger Seoul Qual | 2018/04/29 02:00 | Luke Saville v Sanhui Shin | 6-1,6-1 |
| Challenger Seoul Qual | 2018/04/28 01:30 | Sanhui Shin v Dong Ju Kim | 6-4,6-4 |
| ITF Thailand F4 | 2016/12/11 06:10 | Sanhui Shin v Andrei Levine | 7-6,6-3 |