| All England Open | 2022/03/16 20:25 | Sitthikom Thammasin v Brian Yang | L | 1-2 |
| World Championships | 2021/12/12 08:40 | Tien Chen Chou v Sitthikom Thammasin | L | 2-0 |
| Indonesia Open | 2021/11/23 05:00 | Shesar Hiren Rhustavito v Sitthikom Thammasin | L | 2-1 |
| Indonesia Masters | 2021/11/17 05:40 | Sitthikom Thammasin v Jonatan Christie | L | 1-2 |
| All England Open | 2021/03/19 12:00 | Sitthikom Thammasin v Viktor Axelsen | L | 0-2 |
| All England Open | 2021/03/17 15:10 | Pablo Abian v Sitthikom Thammasin | W | 0-2 |
| Swiss Open | 2021/03/03 11:35 | Ajay Jayaram v Sitthikom Thammasin | L | 2-0 |
| Thailand Open | 2021/01/19 02:40 | Srikanth Kidambi v Sitthikom Thammasin | L | 2-0 |
| German Open | 2022/03/08 12:30 | Nhat Nguyen v Toma Junior Popov | L | 0-2 |
| Syed Modi Int. | 2022/01/22 09:30 | Nhat Nguyen v Lucas Claerbout | L | 1-2 |
| Syed Modi Int. | 2022/01/21 10:20 | Julien Carraggi v Nhat Nguyen | W | 0-2 |
| Syed Modi Int. | 2022/01/20 09:50 | Adulrach Namkul v Nhat Nguyen | W | 0-2 |
| India Open | 2022/01/14 08:50 | Tze Yong Ng v Nhat Nguyen | L | 2-1 |
| India Open | 2022/01/13 07:10 | Nhat Nguyen v Rahul Yadav Chittaboina | W | 2-0 |
| India Open | 2022/01/12 08:30 | Nhat Nguyen v Ajay Jayaram | W | 2-1 |
| World Championships | 2021/12/16 17:00 | Nhat Nguyen v Junpeng Zhao | L | 1-2 |