| Challenger Ochsenhausen | 2025/04/06 14:40 | Dawid Chilicki v Mateusz Zalewski | W | 0-3 |
| WTT Feeder Cappadocia Quals | 2025/02/18 15:10 | Cristian Pletea v Mateusz Zalewski | L | 3-2 |
| WTT Feeder Cappadocia Quals | 2025/02/17 15:25 | Darius Movileanu v Mateusz Zalewski | L | 3-0 |
| WTT Feeder Cappadocia Quals | 2025/02/17 10:30 | Wim Verdonschot v Mateusz Zalewski | W | 1-3 |
| Champions League | 2025/02/15 16:40 | Jonathan Groth v Mateusz Zalewski | L | 3-1 |
| WTT Feeder Dusseldorf Quals | 2025/02/11 17:25 | Mateusz Zalewski v Junsong Chen | L | 0-3 |
| WTT Feeder Dusseldorf Quals | 2025/02/11 13:40 | Tom Schweiger v Mateusz Zalewski | W | 1-3 |
| Champions League | 2025/01/19 17:20 | Mateusz Zalewski v Jakub Dyjas | L | 1-3 |