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 ...

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.

Ivo Karlovic, the towering Croatian known for his booming serve, has officially announced his retirement from tennis more than two years after playing his last tournament match. The 2.11-meter (6 foot ...

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 tells The Tennis Space that he doesn’t necessarily buy that Australia’s Sam Groth broke the world’s fastest serve record at a Challenger in Korea last month. Groth allegedly hit a 163 M.P ...

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 ...