Coco Gauff said her victory at the Wuhan Open on Sunday had boosted her confidence after a disappointing run of results, as the American prepares to defend her title at the season-ending WTA Finals in Riyadh next month.

Rick Macci doesn't appear to have many concerns about Coco Gauff's serve as Serena Williams' childhood coach is a firm believer that the 21-year-old's serve will actually become her "weapon" if she successfully reconstructs it during the offseason.

What separates Coco Gauff right now isn’t power or pace. It’s the calm she brings to the biggest moments, something she showed again in her run to the Wuhan title.

Three Americans are scheduled to feature on WTA Beijing semifinal day. French Open champion Coco Gauff will play Amanda Anisimova before Jessica Pegula faces Linda Noskova.

French Open champion Coco Gauff defeated Italy's Jasmine Paolini 6-4, 6-3 on Saturday to reach the Wuhan Open final, her third WTA 1000 final of the year.

Coco Gauff advanced to the China Open quarter-finals on Tuesday after defeating Belinda Bencic in a tight three-set contest. Gauff is a big fan of the Chinese crowds, and she gave them a match to remember on Tuesday, rallying from a set down to defeat Bencic 4-6, 7-6, 6-2.