Naomi Osaka and Petra Kvitova may have come through unscathed at the Stuttgart Open, but 2018 champion Karolina Pliskova was sent packing.
Petra Kvitova will not be able to dethrone Naomi Osaka this week after the two-time grand slam champion won her opener in Stuttgart.
Third seed Petra Kvitova put pressure on the top-ranked Naomi Osaka with an opening win at the Stuttgart Open.
Anastasija Sevastova will come up against Laura Siegemund in Stuttgart after defeating the 2017 French Open champion.
After taking a fall in the Fed Cup semi-finals, Simona Halep will miss the Stuttgart Open this week.
Caroline Wozniacki fell short in the Charleston Open final as Madison Keys won a first clay-court title of her career.
Not since March 2016 had Victoria Azarenka featured in a singles final but the fifth seed will end that drought thanks to Saturday's win.
Sloane Stephens surrendered her unbeaten run against friend and compatriot Madison Keys in the Charleston Open on Friday.
Angelique Kerber and Garbine Muguruza reached the Monterrey Open quarter-finals.
As Caroline Wozniacki cruised, Madison Keys was forced into a battle at the Charleston Open.