Top seed Serbia's Novak Djokovic defeated second seed and Switzerland's Roger Federer 6-4, 5-7, 6-4, 6-4 to win his tenth Grand Slam and second US Open title on Monday. Djokovic's better breakpoints conversion rate (6/13) as opposed to Federer's profligacy (4/23) coupled with 54 unforced errors ended the Swiss' bid to win an 18th Grand Slam title.