The Swiss tennis star Martina Hingis being introduced by Jürg Bühler (Swiss Tennis Head of Education) at the beginning of her presentation during the Swiss Tennis Forum in Biel - Switzerland - March 2022
The Swiss tennis star Martina Hingis being introduced by Jürg Bühler (Swiss Tennis Head of Education) at the beginning of her presentation during the Swiss Tennis Forum in Biel - Switzerland - March 2022