Coco Gauff, Naomi Osaka and Taylor Fritz are the tennis stars playing in the third round of the US Open on Saturday. Follow along for live updates.

Qinwen Zheng made a stunning comeback from a 5-0 deficit to defeat Madison Keys at the US Open, marking her return after injury struggles.

By Amy Tennery NEW YORK, Sept 5 (Reuters) - China's Zheng Qinwen came back from 5-0 down in the deciding set to beat American Madison Keys 1-6 7-6(3) 7-5 in the U.S. Open third round on Saturday as she battles back from a chronic right elbow injury that has stunted her career.

Last year's runner-up Amanda Anisimova faces Anastasia Potapova for a place in the US Open fourth round - listen to live commentary.

Zheng revealed she was sick just before beating teenage sensation Kristina Liutova in the US Open first round.

Filipino star cruises into round 3 at Flushing Meadows, as Zheng survives three-set battle and Felix Auger-Aliassime wilts in New York heat.