Ivo Karlovic, the towering Croatian known for his booming serve, has announced his retirement from tennis more than two years after playing his last tournament match. The 6-foot, 11-inch Karlovic ...

Someone has to break to win, so naturally if you want a quick night, 6'11" big-serving Ivo Karlovic is probably not the guy you want to play. Argentina's Horacio Zeballos learned that first hand ...

JULY 31, 2008. Roger Federer, defending champion was upset by Ivo Karlovic in the Western and Southern Financial Group Masters. Federer lost to Karlovic, 6-7,6-4,6-7. Federer won the tournament in ...

Planting his size 16 sneakers at net, Ivo Karlovic's sizable shadow seemed to swallow up sections of the court as he held set point against Roger Federer. The third-seeded Swiss had won 10 of 13 ...