Australian Open top seeds Nadal and Swiatek record tough wins

MELBOURNE, Jan. 16 (Xinhua) -- Defending champion Rafael Nadal and women's favorite Iga Swiatek battled through to victories on day one of the Australian Open on Monday.

Nadal was the headline act as the first Grand Slam of the year, which runs through to January 29, started in Melbourne amid warm and sunny conditions.

The 36-year-old Spaniard prevailed in a gruelling match against Jack Draper of Britain