Stadium: Court 1 Round: 44
| ITF Korea F6 | 2018/08/31 03:00 | Na, Jung-Woong v Song, Min-Kyu | 1-6,2-6 |
| ITF Korea F6 | 2018/08/30 04:05 | Na, Jung-Woong v Han, Seong Jae | 6-3,6-1 |
| ITF Korea F6 | 2018/08/28 03:30 | Na, Jung-Woong v Batalla Diez, Juan Ignacio | 6-2,6-1 |
| 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 | Mark Whitehouse v Na, Jung-Woong | 6-4,3-6,3-6 |
| ITF Korea F5 | 2018/08/21 02:00 | Ku Keon Kang v Na, Jung-Woong | 6-4,6-7,0-6 |
| Challenger Gwangju Qual | 2018/08/13 01:00 | Na, Jung-Woong v He, Yecong | 6-3,5-7,5-7 |
| Challenger Gwangju Qual | 2018/08/12 01:30 | Shintaro Imai v Na, Jung-Woong | 4-6,2-6 |
| ITF Thailand F7 | 2018/10/27 02:00 | Ng, Hao Yuan v Lungkeaw, Wattanachai | 7-5,6-2 |
| Thailande F6, Qualifications Simples | 2018/10/06 03:30 | Ng, Hao Yuan v Kaewsuto, Chayanon | 2-6,1-6 |
| ITF Thailand F5 | 2018/09/29 04:30 | Andrzejczuk, Adrian v Ng, Hao Yuan | 6-2,6-2 |
| ITF Thailand F4 | 2018/09/23 04:00 | Kovapitukted, Palaphoom v Ng, Hao Yuan | 6-3,6-0 |
| ITF Thailand F4 | 2018/09/22 02:30 | Ng, Hao Yuan v Baibong, Prachaya | 6-7,6-3,6-4 |
| ITF Thailand F3 | 2018/09/02 02:00 | de Beer, Amaury v Ng, Hao Yuan | 1-6,7-5,6-3 |
| ITF Thailand F2 | 2018/08/27 06:50 | Thanapet Chanta v Ng, Hao Yuan | 6-1,6-3 |
| ITF Thailand F2 | 2018/08/26 07:00 | Ng, Hao Yuan v Sookton-Eng, Chanchai | 6-3,7-5 |