| WTT Feeder Panagyurishte Quals | 2023/08/29 15:50 | Stoyan Sariev v Georgi Eftimov | W | 3-0 |
| WTT Feeder Olomouc | 2023/08/25 09:45 | Linwei Sai v Lubomir Jancarik | L | 1-3 |
| WTT Feeder Olomouc | 2023/08/24 14:00 | Jakub Dyjas v Linwei Sai | W | 2-3 |
| WTT Feeder Havirov | 2023/07/28 15:50 | Wang-Wei Peng v Linwei Sai | L | 3-1 |
| 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 |