However, Greek rising sensation Stefanos Tsitsipas and the reliable Dominic Thiem faced exits.
Here are the details.
Nadal tames John Millman in straight sets
Nadal looked sharp in a 6-3, 6-2, 6-2 victory against John Millman. The 33-year-old veteran will take on Australian Thanasi Kokkinakis in the second round. Nadal, who is in the spotlight for his injuries, will want to avoid any mishaps and march on.