Paula Badosa got the better of Coco Gauff yet again, winning her fifth match against the American to reach the last eight in Berlin.
Madison Keys has reached the quarter-finals of the Charleston Open for the sixth time, while Iva Jovic will join her in the last eight.
Iga Swiatek was beaten in her opening match for the first time in 74 WTA events, after losing to Magda Linette at the Miami Open.
Following her second-round exit at the Australian Open, Emma Raducanu made a strong start at the Transylvania Open, beating Greet Minnen.
No matches available.