Sep 3 (OPTA) - Results from the Grand Slam, US Open Men's Singles matches on Sunday .. 3rd Round .. 7-Marin Cilic (CRO) beat Alex De Minaur (AUS) 4-6 3-6 6-3 6-4 7-5 6-Novak Djokovic (SRB) beat 26-Richard Gasquet (FRA) 6-2 6-3 6-3 .. 4th Round .. 1-Rafael Nadal (ESP) beat Nikoloz Basilashvili (GEO) 6-3 6-3 6-7 6-4 9-Dominic Thiem (AUT) beat 5-Kevin Anderson (RSA) 7-5 6-2 7-6(2) 11-John Isner (USA) beat 25-Milos Raonic (CAN) 3-6 6-3 6-4 3-6 6-2