Teenager Gauff puts homework on hold to stun top seed Bertens in Linz
Gauff, 15, became the youngest player to reach a WTA semi-final since Czech Republic’s Nicole Vaidisova won the Tashkent Open in 2004, also aged 15.
Gauff, 15, became the youngest player to reach a WTA semi-final since Czech Republic’s Nicole Vaidisova won the Tashkent Open in 2004, also aged 15.