World No. 57 Thiem showed some flashes of genius to break the top ranked Spaniard twice, but was broken seven times and committed 41 unforced errors.

The 20-year-old Austrian ran out of steam in front of the invincible eight-time winner who was in ruthless form.

Nadal praised Thiem for his great potential.

"Dominic is a dangerous player and I knew that if I wasn't playing well then I'd be in trouble," Nadal said.

"But he is a future star, 100 percent. His level of ball play is very high. He is strong on the forehand and backhand. He has everything to be a big champion,” Nadal said.

Nadal will face either Leonardo Mayer of Argentina or Russia's Teymuraz Gabashvili in the third round.

Fifth seed David Ferrer of Spain also advanced with a 6-2, 6-3, 6-2 win over Italy's Simone Bolelli.


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