| SEA Games | 2023/05/08 05:30 | Vannthoun Vath v Sitthikom Thammasin | W | 0-2 |
| Orleans Masters | 2023/04/05 10:50 | Jan Louda v Sitthikom Thammasin | L | 2-0 |
| Spain 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 |
| Orleans Masters | 2023/04/09 09:45 | Priyanshu Rajawat v Magnus Johannesen | L | 2-1 |
| Orleans Masters | 2023/04/08 12:45 | Lanxi Lei v Magnus Johannesen | W | 1-2 |
| Orleans Masters | 2023/04/07 15:05 | Magnus Johannesen v Jun Hao Leong | W | 2-0 |
| Orleans Masters | 2023/04/06 19:05 | Magnus Johannesen v Christian Adinata | W | 2-1 |
| Orleans Masters | 2023/04/05 14:35 | Magnus Johannesen v June Wei Cheam | W | 2-0 |
| Spain Masters | 2023/03/31 10:00 | Magnus Johannesen v Toma Junior Popov | L | 0-2 |
| Spain Masters | 2023/03/30 09:50 | Magnus Johannesen v Kiran George | W | 2-0 |
| Spain Masters | 2023/03/29 12:10 | Luis Enrique Penalver v Magnus Johannesen | W | 1-2 |