Australian Open 2018 Mens Final. Roger Federer(SUI) defeated Marin Cilic (CRO) 62 67(7/5) 63 36 61 to win his 6th Australian Open title, 30th Grand Slam Final and 20th Grand Slam Title Photo © Ray Giubilo Tennis - AUSTRALIAN OPEN 2018 - Grand Slam ATP / WTA - Melbourne Park - Melbourne - Victoria - Australia