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John Isner, Milos Raonic and Ivo Karlovic: Comparing the Big Servers on Tour | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
![Ivo Karlovic (*1979 / CRO) - 1st service 3.0 during a practice in the old Grandstand - 2016 US.Open - YouTube Ivo Karlovic (*1979 / CRO) - 1st service 3.0 during a practice in the old Grandstand - 2016 US.Open - YouTube](https://i.ytimg.com/vi/H-q678aYJRI/maxresdefault.jpg)
Ivo Karlovic (*1979 / CRO) - 1st service 3.0 during a practice in the old Grandstand - 2016 US.Open - YouTube
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