Ivo Karlovic stops Novak Djokovic

[truebluefan]

Top-ranked Novak Djokovic was upset by Ivo Karlovic of Croatia 6-7 (2), 7-6 (6), 6-4 while playing through a sandstorm in the Qatar Open quarterfinals on Thursday.

Read more http://espn.go.com/tennis/story/_/id/12137020/novak-djokovic-bounced-qatar-open-quarterfinals