Coco Gauff was back to winning ways at the China Open in Beijing after the US Open champion made her return to the court.
Roger Federer has revealed he still follows tennis closely and believes the sport is at the dawn of a new era.
American Coco Gauff sent Arthur Ashe Stadium into raptures when she came from a set down to topple Aryna Sabalenka and win her maiden US Open crown on Saturday.
Coco Gauff earned a straight-set victory over Karolina Muchova to reach the US Open final, but her achievement was somewhat marred by a climate protest which disrupted the match.
Coco Gauff followed in Serena Williams' footsteps when she became just the second teenager since 2001 to reach the US Open semi-finals.
Iga Swiatek's reign as world number one and US Open champion was brought to an end by a spirited Jelena Ostapenko at Flushing Meadows on Sunday.