Martial artist Wanglei turns contortionist squeezing his body through a racquet.

"It happened. That just happened. That was me that day. I'm not trying to hide it," Dimitrov said of meltdown in Istanbul final.

World No. 1 shows sharp skills in another racquet sport.

"I just felt I needed someone new, inputs to put into the game," two-time Wimbledon winner says of coaching change.

No one makes a tournament entrance like Roger Federer, see for yourself.

Dominic Thiem's backhand is so magical he makes the ball disappear.

Nick Kyrgios celebrates his 21st birthday with a wild net party point.