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.
After an early exit at the US Open, Carolina Garcia was successful in her first outing at the Zhengzhou Open on Monday.
Chloe Paquet turned the tables on fellow French player Carolina Garcia with a shock win in Latvia on Wednesday at the Baltic Open.
World number 85 Bernarda Pera produced a surprise win in Lausanne on Wednesday, while Alize Cornet also tasted victory.
History-maker Cori Gauff showed a touch of class when she thanked Venus Williams for being an inspiration after beating her at Wimbledon.
Maria Sharapova made a second-round exit from her comeback tournament as Wimbledon champion Angelique Kerber proved far too strong.
Former Wimbledon champions Angelique Kerber and Maria Sharapova will do battle at the Mallorca Open this week.
A tough Nottingham Open final saw Caroline Garcia come out on top, edging past Donna Vekic on Sunday.
World number four Kiki Bertens ensured her grass-court campaign continued in style as she reached the final in Den Bosch.
World number four Kiki Bertens was forced to retire from the French Open due to illness, but could add to her list of honours this weekend.