Simona Halep sets her sights on the season-ending top spot.
Nick Kyrgios' corruption comments could result in suspension.
Sloane Stephens has a simple message for Monica Puig.
The Spaniard predicts big things for Coco Gauff, but says she should take her time.
The Canadian snagged her first main draw win at the US Open on Day 2, and bigger things could be coming.
Two-time Grand Slam champion suffers second straight first-round major exit.
"This chair umpire, I don't know, he has something against me," Stefanos Tsitsipas charged after his US Open first-round exit.