Kiki Bertens announces 2021 will be her final season
Elina Svitolina and Kiki Bertens withdraw from US Open - Eurosport
Kiki Bertens Heads to the U.S. Open on a Roll. She Hopes You Don't Notice. - The New York Times
Dutch professional tennis player Kiki Bertens competes against Australian professional tennis player Ashleigh Barty during a group match of WTA Finals Stock Photo - Alamy
Kiki Bertens motivates US Open exit: “I didn't feel the body”
Kiki Bertens 'ready for next chapter' with major career announcement
Tennis news - Kiki Bertens battles past wildcard Zheng to reach WTA Elite Trophy final - Eurosport
Photos: The best of Kiki Bertens
Tennis news: Kiki Bertens contemplated retirement last year but is now in third Premier final of 2018 after beating Kvitova in Cincinnati - Sport360 News