Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF Thailand F8 | 2018/11/03 06:00 | Yeongseok Jeong v Natthasith Kunsuwan | 6-2,4-6,6-4 |
| Shenzhen II, Chine | 2018/10/27 07:30 | Myneni, Saketh v Natthasith Kunsuwan | 6-4,7-5 |
| Thailande F6, Qualifications Simples | 2018/10/08 02:30 | Natthasith Kunsuwan v Daisuke Sumizawa | 2-6,2-6 |
| Thailande F6, Qualifications Simples | 2018/10/06 05:30 | Natthasith Kunsuwan v Kossek, Daniel | 6-4,6-7,6-4 |
| ITF Thailand F5 | 2018/09/30 02:30 | Shin, Seung-Hun v Natthasith Kunsuwan | 7-6,6-1 |
| ITF Thailand F5 | 2018/09/29 02:30 | Bingyu Yu v Natthasith Kunsuwan | 6-3,3-6,3-6 |
| ITF Thailand F4 | 2018/09/24 02:30 | Natthasith Kunsuwan v Tsung-Hao Huang | 6-7,5-7 |
| ITF Thailand F3 | 2018/09/04 07:45 | Moritani, Soichiro v Natthasith Kunsuwan | 6-2,6-2 |
| ITF Thailand F8 | 2018/11/04 02:00 | Robert Strombachs v Prechtel, Sebastian | 3-6,3-6 |
| ITF Vietnam F5 | 2018/11/02 03:00 | Robert Strombachs v Nam Hoang Ly | 4-6,2-6 |
| ITF Vietnam F5 | 2018/11/01 03:00 | Robert Strombachs v Shropshire, Samuel | 6-7,6-1,6-1 |
| ITF Vietnam F5 | 2018/10/30 03:00 | Robert Strombachs v Nitin Kumar Sinha | 6-1,6-4 |
| ITF Vietnam F4 | 2018/10/25 04:30 | Robert Strombachs v Yu Hsiou Hsu | 6-4,0-6,5-7 |
| ITF Vietnam F4 | 2018/10/24 02:30 | Goveas, Aryan v Robert Strombachs | 6-3,5-7,1-6 |
| ITF Vietnam F4 | 2018/10/22 05:10 | Robert Strombachs v Varney, Jackson | 7-6,6-1 |
| ITF Vietnam F4 | 2018/10/21 03:00 | Robert Strombachs v Mohd Adam Das, Shamirul Shahril | 6-2,6-1 |