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Solved Professional tennis player John Isner is known for | Chegg.com
There is nothing 'special' with Isner's serve | Talk Tennis
Facing ATP's top servers: One man tries to return Opelka's serve - Sports Illustrated
Serve Speed Matters - Brain Game Tennis
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John Isner Serve Speed, How Fast Does John Isner Serve? – FirstSportz
John Isner Serve Speed - How Fast Does Isner Serve?
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Roger Federer Solves John Isner's Serve, Finally, and Advances - The New York Times
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Solved Professional tennis player John Isner is known for | Chegg.com
Hruby: I got served by John Isner -- at 140 mph - ESPN Page 2
🎾 John Isner's 157 mph Serve! #USOpen #FastestServe - YouTube
John Isner: Serve Analysis - YouTube
Tennis Serves Have Room to Go Faster - WSJ
John Isner tennis: Cooking, politics, Carolina Panthers - Sports Illustrated
The 7 Fastest Serves in Tennis History — The Sporting Blog
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Pete Sampras and the Top 25 Servers in the History of Men's Tennis | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
