| WTT Feeder Dusseldorf II | 2023/02/23 12:45 | Yuta Tanaka v Linwei Sai | L | 3-0 |
| WTT Feeder Dusseldorf II | 2023/02/22 17:25 | Linwei Sai v Tiago Apolonia | W | 3-2 |
| WTT Feeder Dusseldorf II | 2023/02/22 13:05 | Linwei Sai v Josh Shao Han Chua | W | 3-1 |
| WTT Feeder Dusseldorf | 2023/02/16 12:10 | Linwei Sai v Vitor Ishiy | L | 0-3 |
| WTT Feeder Dusseldorf | 2023/02/15 16:15 | Filip Zeljko v Linwei Sai | W | 2-3 |
| WTT Feeder Dusseldorf | 2023/02/15 12:30 | Xavier Dixon v Linwei Sai | W | 0-3 |
| WTT Contender Amman Quals 2023 | 2023/02/06 09:20 | Linwei Sai v Guankai Niu | L | 1-3 |
| WTT Feeder Amman | 2023/02/01 14:30 | Linwei Sai v Haidong Xu | L | 0-3 |