New York, Sep 12 (IANS): Following is the Novak Djokovic vs Roger Federer head-to-head record ahead of Sunday's US Open men's singles final between the world's top two players at the Flushing Meadows:

Overall: Federer leads Djokovic 21-20

Grand Slams (tabulated under year, tournament, surface, round, winner):
2007 Australian Open Hard R16 Roger Federer 6-2, 7-5, 6-3
2007 US Open Hard F Roger Federer 7-6(4), 7-6(2), 6-4
2008 Australian Open Hard SF Novak Djokovic 7-5, 6-3, 7-6(5)
2008 US Open Hard SF Roger Federer 6-3, 5-7, 7-5, 6-2
2009 US Open Hard SF Roger Federer 7-6(3), 7-5, 7-5
2010 US Open Hard SF Novak Djokovic 5-7, 6-1, 5-7, 6-2, 7-5
2011 Australian Open Hard SF Novak Djokovic 7-6(3), 7-5, 6-4
2011 French Open Clay SF Roger Federer 7-6(5), 6-3, 3-6, 7-6 (5)
2011 US Open Hard SF Novak Djokovic 6-7(9), 4-6, 6-3, 6-2, 7-5
2012 French Open Clay SF Novak Djokovic 6-4, 7-5, 6-3
2012 Wimbledon Grass SF Roger Federer 6-3, 3-6, 6-4, 6-3
2014 Wimbledon Grass F Novak Djokovic 6-7(7), 6-4, 7-6 (4), 5-7, 6-4
2015 Wimbledon Grass F Novak Djokovic 7-6(1), 6-7(10), 6-4, 6-3