Stadium: Court 7 Round: 62
| ITF Korea F5 | 2018/08/18 01:00 | William Ma v Hangyeom Kim | 6-3,6-3 |
| ITF Korea F4 | 2018/08/13 03:00 | Minjong Park v William Ma | 6-3,6-1 |
| ITF China F8 | 2018/06/07 02:00 | Fajing Sun v William Ma | 6-1,6-1 |
| ITF China F8 | 2018/06/05 02:00 | William Ma v Ruitong Fang | 6-4,6-4 |
| ITF China F8 Qual | 2018/06/03 03:25 | William Ma v Zijiang Yang | 6-2,6-2 |
| ITF China F7 Qual | 2018/05/27 06:05 | Bingyu Yu v William Ma | 6-4,6-0 |
| ITF China F6 Qual | 2018/05/14 03:00 | Tsung-Hao Huang v William Ma | 6-2,6-4 |
| ITF China F6 Qual | 2018/05/13 03:00 | Jianhui Li v William Ma | 6-2,6-7,3-6 |
| ITF Korea F5 | 2018/08/18 01:00 | Young Seok Lee v Seoung Hun Lee | 3-6,2-6 |
| ITF Korea F4 | 2018/08/13 01:00 | Ku Keon Kang v Seoung Hun Lee | 6-2,6-2 |
| ITF Korea F4 | 2018/08/12 02:00 | Jae Won Yun v Seoung Hun Lee | 6-3,2-6,6-7 |
| ITF Korea F3 Qual | 2018/06/16 01:00 | Geon Ju Shin v Seoung Hun Lee | 3-6,4-6 |
| ITF Korea F2 | 2018/06/10 05:00 | Sang-Woo Noh v Seoung Hun Lee | 6-3,6-3 |
| ITF Korea F2 | 2018/06/09 02:00 | Seoung Hun Lee v Geon Ju Shin | 6-3,6-4 |
| ITF Korea F1 | 2018/06/02 02:00 | Sung Jun Park v Seoung Hun Lee | 6-1,6-1 |
| Challenger Gwangju Qual | 2017/09/16 01:30 | Seoung Hun Lee v Dae-Hee Lee | 4-6,3-6 |