Zsombor Piros delivered a serve somewhere between overarm and underam at the Davis Cup, outfoxing his opponent.

Most top contenders spend the days before a tennis major getting some rest, taking in plenty of electrolytes and maybe playing a little mixed doubles. It isn’t a time for tinkering—especially in the ...

London, UK (CNN) — If you’ve ever picked up a tennis racket and attempted to serve against an opponent, you’ll know just how hard a skill it is. It’s one thing to get the ball over the net and yet a ...