Jelena Ostapenko clashed with Maria Sharapova in a night-session battle of Slam champions (Jimmie48/WTA)
September 18, 2018
Defending champion Jelena Ostapenko begins her defence at the Keb Hana Bank Korea Open.
Jelena Ostapenko - Seoul 2017 - Getty
September 16, 2018
Defending champion Jelena Ostapenko is projected to face Hiroshima winner Hsieh Su-Wei in the KEB Hana Bank Korea Open quarterfinals, while second seed Kiki Bertens has a tough opener in Luksika Kumkhum.
Marketa Vondrousova, US Open
September 3, 2018
Marketa Vondrousova, de 19 años, vuelve a su mejor momento después de eliminar una de las favoritas del torneo Kiki Bertens para alcanzar su primera semana de un Grand Slam, dejando atrás un mal verano con la ayuda del nuevo entrenador Jan Hernych.
Marketa Vondrousova, 2018 US Open (Getty)
September 1, 2018
Czech teenager Marketa Vondrousova pulled off an upset in the third round of the US Open by overcoming No.13 seed Kiki Bertens in a marathon match.
Kiki Bertens, US Open 2018 (Getty Images)
August 30, 2018
No.13 seed Kiki Bertens made the third round at the US Open for the first time in her career on Thursday. Naomi Osaka, Aliaksandra Sasnovich, and Marketa Vondrousova join her there.
Petra Kvitova, US Open
August 28, 2018
The heat was inescapable on the second day of the 2018 US Open, with everyone having something to say on how to make it through the difficult conditions and advance in Flushing Meadows.
Kiki Bertens, US Open 2018 (Getty Images)
August 28, 2018
Cincinnati champion and No.13 seed Kiki Bertens won her seventh consecutive match with a straight-set victory over Kristyna Pliskova in the first round of the 2018 US Open.
Caroline Wozniacki
August 28, 2018
All the key facts and talking points as first-round action continues at the final Grand Slam of the year.
Kiki Bertens (Jimmie48 Photography/WTA)
August 23, 2018
After withdrawing from the Connecticut Open in singles, Kiki Bertens explains why hitting the doubles court is the key to regaining her world-beating tennis at the US Open.
Kiki Bertens, Cincinnati, Western & Southern Open
August 21, 2018
Cincinnati champion Kiki Bertens and British No.1 Johanna Konta have been forced to withdraw from the Connecticut Open in New Haven, the tournament announced today.
August 19, 2018
Kiki, do you love hardcourts? The 2018 Western & Southern Open champion joins the WTA Insider Podcast to reflect on her astounding summer hardcourt season.
Simona Halep and Kiki Bertens (Jimmie48/WTA)
August 19, 2018
Kiki Bertens staved off a championship point to execute a stunning comeback win over World No.1 Simona Halep and claim the biggest title of her career at the Western & Southern Open.