The Latest: Groth hits 2nd fastest serve ever at Wimbledon
Federer, Nadal into 4th round at Australian Open - The San Diego Union-Tribune
Roger Federer disarms Sam Groth to set up US Open third round clash with Marcel Granollers | Tennis News | ESPN.co.uk
When Federer Wins The First Point On Serve, It's Usually Game Over | FiveThirtyEight
Roger Federer faces second-fastest serve in Wimbledon history | Tennis | Sport | Express.co.uk
/https://www.thestar.com/content/dam/thestar/sports/tennis/2012/01/20/roger_federer_rafael_nadal_move_into_fourth_round_at_australian_open/rogerfederer.jpeg "Roger Federer, Rafael Nadal move into fourth round at Australian Open | The Star")
Roger Federer, Rafael Nadal move into fourth round at Australian Open | The Star
Tennis - Five Fastest Recorded Serves of All Time - Mansion Blog
Big 3 Newsletter #5: Roger Federer's Serve Breakdown
Federer ousts big hitter Roth at US Open
Roger Federer believes his rejuvenated serve can win him US Open title | Tennis News | Sky Sports
Federer - 1st Serve and 2nd Serve Average Speeds | Talk Tennis
Outstanding service - NBC SportsWorld
Roger Federer Serve Analysis - Tennis Serve Technique - Tennis NZ
Top 10 Fastest Serves in Tennis: All-Time RANKED
Brain game: Roger Federer's predictive genius explained | Roger Federer | The Guardian
VIDEOS: 7 of the fastest shots ever recorded - Tennis Canada
Fastest recorded tennis serves - Wikipedia
What is Federer's fastest serve? - Quora
Roger Federer | Mathspig Blog
Top Aces Federer | FASTEST TENNIS SERVE - YouTube
What is Federer's fastest serve? - Quora
What made Roger Federer the greatest: The forehand, the serve, the rivalries
Federer, Nadal win to set up early showdown at Indian Wells | KMPH
Wimbledon 2015: Sam Groth thunderbolts fail to ruffle imperious Roger Federer | The Independent | The Independent
What made Roger Federer the greatest: The forehand, the serve, the rivalries
The World's Fastest Men's & Women's Tennis Serves Ever Recorded
