Switzerland's Roger Federer kisses his trophy during the awarding ceremony of the men's singles final match against Croatia's Marin Cilic at Australian Open 2018 in Melbourne, Australia, Jan. 28, 2018. (Xinhua/Bai Xuefei)

MELBOURNE, Jan. 28 (Xinhua) -- Swiss tennis legend Roger Federer, 37, claimed the 2018 Australian Open men's singles title here on Sunday night, beating Marin Cilic from Croatia 6-2, 6-7 (5), 6-3, 3-6, 6-1 in the final.

It is Federer's 20th Grand Slam title. And he dropped only two sets in the tournament.