Nick Kyrgios lost early in Stuttgart in his first match of the year.
Venus Williams lost her opening round to Swiss teenager making her WTA debut.
Stefanos Tsitsipas and Paula Badosa are tennis' new hottest couple.
The 23-time major champion took time to say inspiring words to kids during the Roland-Garros trophy ceremony.
The Serb is still hungry after winning his 23rd major title. Bring on Wimbledon, he says.
Novak Djokovic sets his sights beyond 23 major titles—and credits Kobe Bryant with helping him realize his record run.
"It's just scary how good he can play," Casper Ruud said of 23-time major champion Novak Djokovic.