Yahoo Racing is powered by Motorsport Network, providing expert reporting, analysis, and insider access across the world’s top racing series. The serve speed record is a big deal. It gives the 32-year ...

This must go down as the record achieved with the least fanfare in 2011. Let it be known that Ivo Karlovic hit the fastest serve ever recorded, in the fourth set of a first-round Davis Cup doubles ...

The challenge of returning Ivo Karlovic’s serve is among the greatest in tennis, and with the best in the game often struggling to get his notoriously big delivery back in play, one could say it would ...

HALLE, Germany -- Ivo Karlovic fired a record 45 aces in upsetting the third-seeded Tomas Berdych 7-5, 6-7 (8), 6-3 while Kei Nishikori also progressed to the Gerry Weber Open semifinals on Friday.

All week, the fans at the Delray Beach Open were awed by the power and precision of Ivo Karlovic‘s serve. The crowd inside center court Sunday expressed their amazement as they oohed and aahed with ...

Ivo Karlovic blasts a serve down the line. As Arnaud Clement fails to touch the ball, Ivo shakes his fist and turns to the service clock_ 153 MPH_ he's tied the record. He's rewarded with and outburst ...

Ivo Karlovic set the world record for fastest serve on Sunday during a Davis Cup match for Croatia. The 6-foot-10 Croat nailed a serve 156 mph, breaking Andy Roddick's previous record of 155 mph.

All week, the fans at the Delray Beach Open were awed by the power and precision of Ivo Karlovic’s serve. The crowd inside center court Sunday expressed their amazement as they oohed and aahed with ...