Fans were left stunned while watching the opening round of the US Open, where Reilly Opelka was seen towering over opponent Carlos Alcaraz.

We would not be totally out of line or off track therefore to conclude that service in tennis is rather important. In fact, ...

Greensboro native John Isner was honored on Thursday at the Winston-Salem Open. Isner, who won the first two Winston-Salem ...

John Isner admits not many players wanted to be his practice partner simply because they didn't want to hit with "a serve both," and adds Reilly Opelka is facing the same problem now. Isner, who ...

Isner holds the record for the ATP's fastest official serve and third-fastest on record in tennis at 157.2 mph, hit during ...