Rafael Nadal won 13th grand slam title at the U.S. Open . Closing on the all - time record of wins held by arch rival Roger Federer . Victory came after early exit at Wimbledon to Donald Johnson . Closing fast on Djokovic 's No.1 spot , Nadal has spent two lengthy spells on the sidelines through knee injuries , both times making a strong comeback . Nadal has been troubled by knee tendon problems in recent years .
Rafael Nadal won 13th grand slam title at the U.S. Open . Closing on the all - time record of wins held by arch rival Roger Federer . Victory came after early exit at Wimbledon to Donald Johnson . Nadal has been troubled by knee tendon problems in recent years .