Valentin Royer (2001 / FRA) - Topspin service in a match - follow-through 1 - end - 2019 Junior Tennis Championships - Klosters - Switzerland - July 2019
Valentin Royer (2001 / FRA) - Topspin service in a match - follow-through 1 - end - 2019 Junior Tennis Championships - Klosters - Switzerland - July 2019