The 17-year-old became the first Chinese player to win the U.S. Open Boys' Singles title on Sunday in New York.
The American will face Amanda Anisimova for the tile on Sunday.
The Twitterverse was thrilled by Sloane Stephens fantastic victory, and the emotional moment she shared with Madison Keys after the final.
The 2009 US Open champion talks improvement and adjustment.
World No. 1 on why he favors in-match coaching.
The Czechs can handle losing, but took offense when their opponents did not fess up to a touch
Serena posts on Twitter for first time since giving birth to baby girl.