After defeating cancer, the 19-year-old American sets her sights on winning tennis matches.

"I take full responsibility for my actions and regret what happened," Aussies says in statement; ATP levels $10,000 fine for "insulting remark."

World No. 9 Garbine Muguruza sets her sights on retaining her Top-10 ranking as the summer progresses.

Yoshihito Nishioka of Japan hit one of the best shots of the year at the Aptos Challenger on Wednesday.

"I hope the governing body of this sport does not stand for this and stands up for the integrity of this sport," Wawrinka tweets.

Nick Kyrgios stepped over the line during his match with Stan Wawrinka on Wednesday in Montreal. Really far over the line.

Seven WTA players populate Forbes list of the top ten highest-paid female athletes for 2015.