Stadium: Court 1 Round: 25
| ITF Thailand F1 | 2018/08/20 06:25 | Natthasith Kunsuwan v Amaury De Beer | 6-0,6-2 |
| ITF Thailand F1 | 2018/08/19 02:00 | Natthasith Kunsuwan v Nutdanai Sincharoenwattana | 6-0,6-3 |
| ITF Indonesia F3 Qual | 2018/08/04 07:00 | Natthasith Kunsuwan v Jirat Navasirisomboon | 4-6,6-3,1-6 |
| ITF China F11 | 2018/07/17 01:00 | Natthasith Kunsuwan v Mitchell Thomas McDaniels | 6-4,1-6,1-6 |
| ITF China F10 Qual | 2018/07/07 05:00 | Natthasith Kunsuwan v Kousuke Ogura | 6-7,4-6 |
| ITF China F9 | 2018/07/04 03:00 | Natthasith Kunsuwan v Seong Chan Hong | 3-6,4-6 |
| ITF China F9 | 2018/07/03 09:45 | Natthasith Kunsuwan v Masayoshi Ono | 6-7,6-4,6-3 |
| ITF China F8 | 2018/06/05 05:30 | Di Wu v Natthasith Kunsuwan | 6-1,6-3 |
| ITF Thailand F1 | 2018/08/20 03:10 | Hao Yuan Ng v Shamirul S Mohd Adam Das | 1-6,6-3,3-6 |
| ITF Thailand F1 | 2018/08/19 06:45 | Hao Yuan Ng v Sai Saran Reddy Byreddy | 6-1,7-6 |
| ITF Indonesia F3 Qual | 2018/08/04 07:30 | Jayesh Pungliya v Hao Yuan Ng | 6-2,6-3 |
| ITF Indonesia F2 | 2018/07/31 03:30 | Hao Yuan Ng v Aryan Goveas | 2-6,5-7 |
| ITF Indonesia F1 | 2018/07/26 05:15 | Kaito Uesugi v Hao Yuan Ng | 6-1,6-4 |
| ITF Indonesia F1 | 2018/07/24 08:00 | Yu Shiang Huang v Hao Yuan Ng | 4-6,4-6 |
| ITF Malaysia F3 | 2018/07/17 04:00 | Hao Yuan Ng v Michail Pervolarakis | 1-6,2-6 |
| ITF Sri Lanka F2 | 2018/06/17 07:00 | Hao Yuan Ng v Mohamed Abdel-Aziz | 2-6,4-6 |