ST PETERSBURG, RUSSIA – FEBRUARY 1, 2019: Kiki Bertens of the Netherlands in a 2019 WTA Premier St Petersburg Ladies Trophy quarterfinal singles match against Russia’s Anastasia Pavlyuchenkova (not in picture) at Sibur Arena. Alexander Demianchuk/TASS, Image: 411619772, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Profimedia, TASS