![Roger Federer: Secret to Swiss legend's Grand Slam success revealed | Tennis | Sport | Express.co.uk Roger Federer: Secret to Swiss legend's Grand Slam success revealed | Tennis | Sport | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/72/590x/Roger-Federer-ball-toss-920327.jpg)
Roger Federer: Secret to Swiss legend's Grand Slam success revealed | Tennis | Sport | Express.co.uk
![What colour are tennis balls? Roger Federer finally confirms if they're green or yellow - Mirror Online What colour are tennis balls? Roger Federer finally confirms if they're green or yellow - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article12225026.ece/ALTERNATES/s1200c/Tennis-2010-AEGON-Classic-Day-Two-Edgbaston-Priory-Club.jpg)
What colour are tennis balls? Roger Federer finally confirms if they're green or yellow - Mirror Online
![Amazon.com : Wilson Junior Roger Federer 21 Inch Red/White Tennis Racquet Bundled with a Black/White Advantage II Tennis Bag and a Can of Tennis Balls : Sports & Outdoors Amazon.com : Wilson Junior Roger Federer 21 Inch Red/White Tennis Racquet Bundled with a Black/White Advantage II Tennis Bag and a Can of Tennis Balls : Sports & Outdoors](https://m.media-amazon.com/images/I/61EszmOWGEL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Wilson Junior Roger Federer 21 Inch Red/White Tennis Racquet Bundled with a Black/White Advantage II Tennis Bag and a Can of Tennis Balls : Sports & Outdoors
![Wimbledon 2017: Roger Federer fan BUSTED by umpire trying to STEAL tennis ball | Tennis | Sport | Express.co.uk Wimbledon 2017: Roger Federer fan BUSTED by umpire trying to STEAL tennis ball | Tennis | Sport | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/72/590x/Roger-Federer-826386.jpg)
Wimbledon 2017: Roger Federer fan BUSTED by umpire trying to STEAL tennis ball | Tennis | Sport | Express.co.uk
![Buy Wilson Roger Federer Pro Staff 25 Limited Edition Junior Tennis Racket + 3 Tennis Balls (Various Options) Online at desertcartCzech Republic Buy Wilson Roger Federer Pro Staff 25 Limited Edition Junior Tennis Racket + 3 Tennis Balls (Various Options) Online at desertcartCzech Republic](https://images-na.ssl-images-amazon.com/images/I/81Jk5LBIyEL.jpg)
Buy Wilson Roger Federer Pro Staff 25 Limited Edition Junior Tennis Racket + 3 Tennis Balls (Various Options) Online at desertcartCzech Republic
![Roger Federer grabs the best ball in tennis: the US Open ball 🎾 | Tennis quotes, Roger federer, Tennis Roger Federer grabs the best ball in tennis: the US Open ball 🎾 | Tennis quotes, Roger federer, Tennis](https://i.pinimg.com/originals/0d/4b/b8/0d4bb870c29075493adb3349279114f4.jpg)
Roger Federer grabs the best ball in tennis: the US Open ball 🎾 | Tennis quotes, Roger federer, Tennis
![Switzerland's Roger Federer balances a giant tennis ball on a giant tennis racquet during Kids Tennis Day at Melbourne Park, Australia, January 16, 2016. The Australian Open tennis tournament starts January 18. Switzerland's Roger Federer balances a giant tennis ball on a giant tennis racquet during Kids Tennis Day at Melbourne Park, Australia, January 16, 2016. The Australian Open tennis tournament starts January 18.](https://c8.alamy.com/comp/2CNH6WW/switzerlands-roger-federer-balances-a-giant-tennis-ball-on-a-giant-tennis-racquet-during-kids-tennis-day-at-melbourne-park-australia-january-16-2016-the-australian-open-tennis-tournament-starts-january-18-reutersthomas-peter-2CNH6WW.jpg)