Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF M25 Nonthaburi | 2020/01/26 07:20 | Abhinav Sanjeev Shanmugam v Mungmun Ohmarak | 6-1,6-1 |
| ITF M15 Nonthaburi – kval | 2019/12/01 05:40 | Mungmun Ohmarak v Sergey Shipilov | 2-6,1-6 |
| ITF M15 Nanchang | 2019/09/29 02:00 | Mungmun Ohmarak v Bingyu Yu | 0-6,2-6 |
| ITF M15 Nanchang | 2019/09/15 02:00 | Liran Chen v Mungmun Ohmarak | 6-3,6-0 |
| ITF M25 Nonthaburi | 2019/05/27 04:40 | Francis Casey Alcantara v Mungmun Ohmarak | 6-0,6-1 |
| ITF Thailand F1 | 2018/08/19 03:10 | Coleman Wong v Mungmun Ohmarak | 7-5,7-6 |