Stadium: Table 1 Round: 5
| WTT - Feeder Stockholm | 2023/10/04 11:20 | Kay Stumper v Flavien Coton | W | 3-2 |
| Majstrovstvá Európy tímov | 2023/09/17 16:10 | Kristian Karlsson v Kay Stumper | L | 3-2 |
| Majstrovstvá Európy tímov | 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 - Feeder Stockholm | 2023/10/04 12:05 | Viktor Brodd v Kirill Gerassimenko | W | 2-3 |
| WTT Contender - Almaty | 2023/08/31 13:10 | Kirill Gerassimenko v Tomislav Pucar | L | 2-3 |
| WTT Star Contender Ljubljana | 2023/07/06 12:35 | Qihao Zhou v Kirill Gerassimenko | L | 3-0 |
| WTT Star Contender Ljubljana | 2023/07/05 12:05 | Kirill Gerassimenko v Tomislav Pucar | W | 3-1 |
| WTT Contender - Záhreb | 2023/07/01 10:25 | Kirill Gerassimenko v Peng Xiang | L | 1-3 |
| WTT Contender - Záhreb | 2023/06/30 12:25 | Kirill Gerassimenko v Alvaro Robles | W | 3-1 |
| WTT Contender - Záhreb | 2023/06/29 16:30 | Omar Assar v Kirill Gerassimenko | W | 1-3 |
| WTT Contender Tunis | 2023/06/22 15:25 | Patrick Franziska v Kirill Gerassimenko | L | 3-1 |