Stadium: Court 6 Round: 62
| ITF Indonesia F7 Qual | 2017/11/18 03:30 | Hansel Sanjaya v Natthasith Kunsuwan | 0-6,0-6 |
| ITF Vietnam F2 | 2017/11/11 05:00 | Brian Tran v Natthasith Kunsuwan | 6-2,6-4 |
| Challenger Ningbo Qual | 2017/10/14 06:30 | Vishnu Vardhan v Natthasith Kunsuwan | 6-1,6-1 |
| ITF Thailand F8 | 2017/10/09 06:50 | Natthasith Kunsuwan v Suthinan Tanthaseraneewat | 3-6,5-7 |
| ITF Thailand F7 Qual | 2017/10/01 02:30 | Kazuma Kawachi v Natthasith Kunsuwan | 6-2,6-4 |
| ITF Thailand F7 Qual | 2017/09/30 02:30 | Natthasith Kunsuwan v Kasidit Samrej | 7-6,6-0 |
| ITF Thailand F6 Qual | 2017/08/12 04:15 | Punn Bodhidatta v Natthasith Kunsuwan | 6-2,7-6 |
| ITF Thailand F4 Qual | 2017/07/29 03:00 | Natthasith Kunsuwan v Omer Yeshaya | 6-4,6-1 |
| ITF Indonesia F7 Qual | 2017/11/18 03:00 | Ilsang Yoon v Dustin Goldenberg | 6-4,6-3 |