| EM - Lag | 2023/09/17 16:10 | Kristian Karlsson v Kay Stumper | L | 3-2 |
| EM - Lag | 2023/09/16 14:40 | Joao Geraldo v Kay Stumper | W | 2-3 |
| WTT Feeder - Panagyurishte | 2023/09/01 15:20 | Fanbo Meng v Kay Stumper | L | 3-2 |
| WTT Feeder - Panagyurishte | 2023/09/01 10:30 | Kay Stumper v Cheng-Jui Kao | W | 3-2 |
| WTT Feeder - Panagyurishte | 2023/08/31 17:00 | Kay Stumper v Pavel Sirucek | W | 3-2 |
| WTT Contender - Rio - Kval | 2023/08/08 19:40 | Ricardo Walther v Kay Stumper | L | 3-2 |
| WTT Contender - Rio - Kval | 2023/08/07 21:20 | Carlo Rossi v Kay Stumper | W | 2-3 |
| WTT Contender - Lima - Kval | 2023/08/02 21:35 | Kay Stumper v Ricardo Walther | L | 1-3 |
| European Youth Champs | 2023/07/21 16:00 | Flavien Coton v Miha Podobnik | W | 3-2 |
| Ungdoms-EM - Lag | 2023/07/17 18:20 | Darius Movileanu v Flavien Coton | L | 3-1 |
| Ungdoms-EM - Lag | 2023/07/17 12:20 | Flavien Coton v Milosz Redzimski | W | 3-2 |
| Ungdoms-EM - Lag | 2023/07/17 11:21 | Flavien Coton v Mateusz Zalewski | L | 2-3 |
| Oman Open - U21 - Damer | 2023/04/08 09:00 | Flavien Coton v Eduard Ionescu | L | 1-4 |
| Oman Open - U21 - Damer | 2023/04/07 11:30 | Flavien Coton v Barish Moullet | W | 4-0 |
| Oman Open - U21 - Damer | 2023/04/06 14:55 | Maciej Kubik v Flavien Coton | L | 4-1 |
| Oman Open - U21 - Damer | 2023/04/05 13:00 | Borgar Haug v Flavien Coton | W | 3-4 |