| Orleans Masters | 2023/04/05 10:50 | Jan Louda v Sitthikom Thammasin | L | 2-0 |
| Španielsko - Masters | 2023/03/29 10:20 | Srikanth Kidambi v Sitthikom Thammasin | L | 2-1 |
| Swiss Open | 2023/03/22 13:40 | Sitthikom Thammasin v Koki Watanabe | L | 0-2 |
| All England Open | 2023/03/15 10:00 | Sitthikom Thammasin v Zii Jia Lee | L | 0-2 |
| Thailand Masters | 2023/02/01 06:40 | Sitthikom Thammasin v Anders Antonsen | L | 0-2 |
| Indonesia Masters | 2023/01/25 01:20 | Sitthikom Thammasin v Guangzu Lu | L | 1-2 |
| Australian Open | 2022/11/16 02:40 | Koki Watanabe v Sitthikom Thammasin | L | 2-0 |
| Hylo Open | 2022/11/01 14:50 | Sitthikom Thammasin v Daren Liew | L | 0-2 |