Elina Svitolina will face Jil Teichmann in the Internationaux de Strasbourg quarter-finals after overcoming Magda Linette on Tuesday.
Victoria Azarenka is into her first grand slam quarter-final since 2016 after reaching the last eight at the US Open.
Sofia Kenin was ousted in straight sets by Alize Cornet, who soared through to the last 16 of the WTA Premier tournament on Sunday.
After a couple of tough weeks, Sofia Kenin came through her opener in Lyon against Vitalia Diatchenko.
Alize Cornet cruised into the second round of the Lyon Open, but Caroline Garcia made hard work of avoiding an early exit.
Maria Sakkari's withdrawal gave Coco Gauff another chance at the Linz Open and the lucky loser took full advantage.
Kiki Bertens awaits at the Pan Pacific Open for Anastasia Pavlyuchenkova, who was a round-one winner in Osaka.
Rain intervened to bring Karolina Pliskova's last-16 clash with Polona Hercog to a halt, with the top-seeded Czech facing a tough battle.
Alize Cornet eased past Kateryna Kozlova in the opening round of the Bronx Open.
Alize Cornet was unable to retain her Ladies Open Lausanne title as fellow Frenchwoman Fiona Ferro opened her account.