Months after his 2014 Wimbledon breakthrough, Kyrgios beat 23rd seed Ivo Karlovic in the second round before saving match points against Andreas Seppi in round four. Kyrgios’ run came to an end with a ...

Two days later he would triumph over great rival Roger Federer. Karlovic versus Zeballos – big server versus aggressive shot-maker – was already generating intrigue before it even went to a fifth set.

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The story of Ivo Karlovic often feels under-addressed in tennis. For one, the Croat, freshly 40 years old, possesses perhaps the most-feared serve in the professional game, frequently cited by his ...

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 ...