Belarusian top seed Aryna Sabalenka overcame British qualifier Katie Boulter in straight sets to reach the last 16 of the China Open on Tuesday evening.
Coco Gauff was back to winning ways at the China Open in Beijing after the US Open champion made her return to the court.
Ons Jabeur defeated Diana Shnaider in straight sets in the final of the Ningbo Open to win her fifth WTA title of her career in China on Saturday.
Novak Djokovic won the Western and Southern Open for the third time in Cincinnati, beating Wimbledon champion Carlos Alcaraz in a thriller with tiebreaks deciding the last two sets.
Coco Gauff claimed her third tournament win of the season with victory over Karolina Muchova in the Southern and Western Open final on Sunday.
Coco Gauff scrapped her way to a maiden win over world number one Iga Swiatek to reach her first WTA 1000 final at the Southern and Western Open in Cincinnati.