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.
There will be an all-French final at the WTA Ladies Open Lausanne, while Patricia Maria Tig stormed into the final of the Bucharest Open.
Kristyna Pliskova was unable to stop home favourite Patricia Maria Tig reaching the last four at the Bucharest Open.
World number 85 Bernarda Pera produced a surprise win in Lausanne on Wednesday, while Alize Cornet also tasted victory.