Over the weekend, Roger Federer became the fourth player in tennis history to register 9,000 or more aces in a professional career, ontop of winning his seventh Dubai Championship. Matched against current world-ranked No. 1 player Novak Djokovic, the Swiss player fought through a neck and neck game, that is until he delivered four huge serves in a row to help put pressure on his Serbian opponent — leading to a 6-3 7-5 win. Watch to video below to witness the power of his 9000th career ace serve played against Novak Djokovic.
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