Aryna sabalenka advances in Charleston 2019

CHARLESTON, SC, USA 
Aryna Sabalenka of Belarus evaded an upset in the second round of the Volvo Car Open on Wednesday, coming back from a set down to overcome Ukrainian qualifier Kateryna Kozlova, 3-6, 6-3, 6-3.

Kateryna Kozlova pulled off a stunning result, eliminating defending champion Jelena Ostapenko in the first round at 2018 Roland Garros.

PARIS, France
Another top seed fell by the wayside on Sunday in the first round of the French Open, as Kateryna Kozlova of Ukraine stunned defending champion and No.5 seed Jelena Ostapenko of Latvia, 7-5, 6-3.

Timea Babos captured her third WTA singles championship at the 2018 Taiwan Open

TAIPEI CITY, Chinese Taipei 
Timea Babos’s exceptional start to 2018 continued on Sunday, as the No.4 seed from Hungary claimed the Taiwan Open singles title with a victory over Ukraine’s Kateryna Kozlova, 7-5, 6-1.

Caroline wozniacki win's over Kateryna Kozlova into sony ericsson open 2017 in bastad

BASTAD, Sweden
Caroline Wozniacki kept up her winning ways on Friday, dropping just four games against Ukrainian qualifier Kateryna Kozlova to advance into the Ericsson Open semifinals, 6-3, 6-1.