Several tennis stars have been passionate sports fans at the Rio Olympics.
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Here's how some of the sport's top players have spent their time off court in Rio.
Genie Bouchard fulfilled a dream watching gymnastics from the floor.
Jack Sock, who partners Steve Johnson in the doubles semifinals, and Denis Kudla hang with golfers Bubba Watson and Rickie Fowler to take in Team USA swimming.
Both exited the singles draw earlier than they'd hoped, but Serena Williams and Caroline Wozniacki both took time out to take in the Olympic sights.
Wozniacki and her dad were vocal Denmark supporters for the nation's handball team.
Alize Cornet meets the man French fans call "Teddy Bear", French flag bearer and judo world champion Teddy Riner.
Roberta Vinci had a hold on Italian judoka Jeremy Matteo.
Timea Bacsinszky ready to shoot hoops with Argentine basketball squad.
Juan Monaco joins the chorus of fans singing support for Team Argentina.
Before Elina Svitolina shocked Serena Williams, she showed off her new wheels during some souvenir shopping.
Andrea Petkovic contemplates an alternate career identity.
An inside view of the tennis players' hot spot courtesy of Marin Cilic.
It may look like Vasek Pospisil is wearing goalie pads, it's just all part of the recovery process as Pospisil and Daniel Nestor will play for a doubles medal.
Ana Ivanovic visits the iconic Christ The Redeemer statue.
Team Argentina bonded during the opening ceremony.