John Isner's Secret Weapon: Training to Be America's No.1 Tennis Player - Men's Journal
Tennis Serves Have Room to Go Faster - WSJ
You Probably Can't Name the Best U.S. Men's Tennis Player | The New Yorker
Roger Federer: John Isner 'not surprised' about ONE thing ahead of Miami Open final | Tennis | Sport | Express.co.uk
Serving Mechanics - The Jump - Tactical Tennis
Facing ATP's top servers: One man tries to return Opelka's serve - Sports Illustrated
John Isner tennis: Cooking, politics, Carolina Panthers - Sports Illustrated
tennis-serve-stroke-technique-swing-john-isner - Pat Cash Tennis
Facing ATP's top servers: One man tries to return Opelka's serve - Sports Illustrated
John Isner Serve Analysis - TokyVideo
John Isner Serve Technique Explained (Tennis Tips For You To Copy) - YouTube
Tennis Server - Turbo Tennis - The Modern Serve
Tennis Photography - Serve Impact Height
Roger Federer Solves John Isner's Serve, Finally, and Advances - The New York Times
Fastest recorded tennis serves - Wikipedia
Player Profile: John Isner and the impact he has had on the sport
Federer-Isner final likely to come down to serves -- and tiebreakers - ESPN
Does John Isner belong in the International Tennis Hall of Fame?
John Isner has tennis' fastest serve, longest match, and most aces. #ad Now, Isner is calling it a career, and the 6'10” American star is… | Instagram
John Isner Continues to Impress at Wimbledon - Last Word On Tennis
Tennis Photography - Serve Impact Height
John Isner Serve In Super Slow Motion - 2013 Cincinnati Open - YouTube
John Isner: Serve Analysis - YouTube
John Isner Serve - YouTube
Andy Murray doesn't have to match John Isner's serve to beat him, says Mark Petchey | Tennis News | Sky Sports
Despite loss to Federer, Isner serves and destroys – Orange County Register
Wimbledon: No Longer About the Big Serves - WSJ
All you need to know about John Isner
