| WTT Feeder Olomouc - kval. 2023 | 2023/08/23 08:40 | Edward Ly v Nemanja Dilas | W | 2-3 |
| WTT Feeder Olomouc - kval. 2023 | 2023/08/22 15:15 | Alexander Gillen v Nemanja Dilas | W | 0-3 |
| WTT Feeder Olomouc - kval. 2023 | 2023/08/23 08:40 | Elias Ranefur v Joe Seyfried | W | 1-3 |
| WTT Feeder Havířov | 2023/07/29 11:45 | Joe Seyfried v Jaehyun An | L | 2-3 |
| WTT Feeder Havířov | 2023/07/28 15:15 | Lubomir Jancarik v Joe Seyfried | W | 0-3 |
| WTT Feeder Havířov | 2023/07/28 10:25 | Jan Valenta v Joe Seyfried | W | 2-3 |
| WTT Contender Tunis - kvalifikace | 2023/06/21 16:55 | Cedric Meissner v Joe Seyfried | L | 3-2 |
| WTT Contender Tunis - kvalifikace | 2023/06/21 11:55 | Joe Seyfried v Abdullah Yigenler | W | 3-0 |
| WTT Contender Tunis - kvalifikace | 2023/06/20 12:20 | Joe Seyfried v Hugo Deschamps | W | 3-2 |
| WTT Contender Lagos - kvalifikace | 2023/06/13 11:10 | Joe Seyfried v Harmeet Desai | L | 0-3 |