Who did Federer defeat in the 2018 Australian Open men's singles final?

Federer defeated Marin Cilic in the 2018 Australian Open men’s singles final. He won the five-set match 6-2, 6-7(5-7), 6-3, 3-6, 6-1 at Melbourne’s Rod Laver Arena.

The victory gave Federer his sixth Australian Open title, tying the tournament record held at the time by Roy Emerson and Novak Djokovic. It also delivered his 20th Grand Slam singles championship, making him the first man to reach that milestone in the Open Era.

Cilic, a Croatian former US Open champion, pushed Federer into a deciding set after recovering from an early deficit. Federer ultimately pulled away in the fifth set. This final is sometimes confused with Federer’s 2017 Australian Open final, when he defeated Rafael Nadal in another five-set classic.