(4) Roger Federer of Switzerland has won the 2018 men’s Singles title in the Australian Open 2018. He successfully defended his title by defeating 6th seeded Marin Cilic of Croatia by 6-2,6-7, 6-3 3-6, 6-1. This is Federer’s sixth title at the Australian Open. This record is also held by Roy Emerson and Novak Djokovic. The win has brought the Swiss to the elite group of Margaret Court, Serena Williams and Steffi Graf who are the only players to have won 20 or more Grand Slam singles titles.