Hunor Szöcs vs Kay Stumper (Selected) | Saison 2021/22

Kay Stumper vs Alvaro Robles (Selected) | Saison 2021/22

Kay Stumper vs Samuel Kulczycki | Final U19 - 2021 European Youth Championship

Kay Stumper vs Ivor Ban | Semifinal U19 - 2021 European Youth Championship

Kay Stumper vs Damir Akhmetsafin | 1/4 - U19 2021 European Youth Championship

Kay Stumper vs Andrei Teodor Istrate | 1/8 - 2021 European Youth Championship

Kay Stumper vs Maciej Kubik | 1/4 Teams - 2021 European Youth Championship

Kay Stumper vs Adrien Rassenfosse | 1/8 Teams - 2021 European Youth Championship

Kay Stumper vs Alessi Massart | 1/8 Teams - 2021 European Youth Championship

Alexis Lebrun vs Kay Stumper | U-19 Teams - 2021 European Youth Championship

Thibault Poret vs Kay Stumper | U-19 Teams - 2021 European Youth Championship

Darius Movileanu vs Kay Stumper | WTT Youth Contender Vila Real (U19BS 1/2)