Denmark's Caroline Wozniacki and Simon Halep of Romania will clash for the women's singles title in the Australian Open. Wozniacki beat unseeded Belgian Elise Mertens 6-3, 7-6 to reach her first Australian Open final in Melbourne today.Top Seed Simon Haleap defeated 2016 winner Angelique Kerber of Germany 6-3, 4-6, 9-7.In Men's singles, Marin Cilic defeated British hope Kyle Edmund in straight sets to become the first Croatian to reach the final of the Australian Open. The world No.6 powered into his third Grand Slam decider with a 6-2, 7-6, 6-2 win.He will face either defending champion Roger Federer or unseeded South Korean Chung Hyeon, who play tomorrow in the semifinal.