File:2013 US Open (Tennis) - Ivo Karlovic (9648724932).jpg - Wikimedia Commons
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Ivo Karlović - Wikipedia
Novak and Djordje Djokovic make doubles debut as Ivo Karlovic sets aces record at China Open
Ivo Karlović - Wikipedia
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File:Ivo Karlović at the 2009 Wimbledon Championships 01.jpg - Wikimedia Commons
Ivo Minář - Wikiwand
File:2013 US Open (Tennis) - Ivo Karlovic (9645585337).jpg - Wikimedia Commons