Blistering Bertens quells Kerber to reach Stuttgart semifinals
Dutch professional tennis player Kiki Bertens competes against Australian professional tennis player Ashleigh Barty during a group match of WTA Finals Stock Photo - Alamy
WTA Finals: Kiki Bertens Stuns World Number One Ashleigh Barty | Tennis News
What a day!' - Wedding bells ring for Kiki Bertens
Tuesday Preview Kiki Bertens [7] vs. Garbiñe Muguruza [20] - BNP Paribas Open