Novak Djokovic schooled a young Serbo-American to win his opening test, but needed to complete his straight-set sweep with a tiebreaker. The third seed posted
Novak Djokovic began his bid for a record 23rd Grand Slam title by winning a Balkan battle over Serbo-American Aleks Kovacevic 6-3, 6-2, 7-6 (1) on Monday