| Australian Open | 2022/11/16 02:40 | Koki Watanabe v Sitthikom Thammasin | L | 2-0 |
| 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 |
| French Open | 2022/10/27 11:40 | Viktor Axelsen v Sitthikom Thammasin | L | 2-0 |
| French Open | 2022/10/26 08:00 | Yuqi Shi v Sitthikom Thammasin | W | 0-2 |
| Denmark Open | 2022/10/18 07:00 | Kean Yew Loh v Sitthikom Thammasin | L | 2-0 |
| Thailand Masters | 2023/02/02 06:00 | Koki Watanabe v Yuqi Shi | L | 1-2 |
| Thailand Masters | 2023/02/01 03:00 | Brian Yang v Koki Watanabe | W | 0-2 |
| Indonesian Masters Qual | 2023/01/24 01:20 | Koki Watanabe v June Wei Cheam | L | 1-2 |
| Australian Open | 2022/11/18 06:00 | Koki Watanabe v Kodai Naraoka | L | 1-2 |
| Australian Open | 2022/11/17 03:00 | Koki Watanabe v Kenta Nishimoto | W | 2-0 |
| Australian Open | 2022/11/16 02:40 | Koki Watanabe v Sitthikom Thammasin | W | 2-0 |
| Indonesia Masters | 2022/10/20 09:00 | Jun Hao Leong v Koki Watanabe | L | 2-1 |
| Indonesia Masters | 2022/10/19 10:00 | Donghun Kim v Koki Watanabe | W | 0-2 |