Rafael Nadal got his title defence at the Monte-Carlo Masters under way with a straightforward win against fellow Spaniard Roberto Bautista Agut at Monte-Carlo Country Club.
The world number two triumphed 6-1, 6-1 in the second round of the Association Tennis Masters 1000 event.
The 32-year old, who is hoping for his 12th title on the Monte-Carlo clay, said: "This is just the first match.
"It has been a very positive start.
"The result says that."
"And the feeling on court, too... I just started well."
Nadal will face Grigor Dimitrov in his next match after the Bulgarian defeated Germany's Jan-Lennard Struff 7-6, 6-4.
Tomorrow is another good test against Grigor, so let's see," Nadal added.
"I need to play well again."
American Taylor Fritz set up a last-16 clash with world number one Novak Djokovic of Serbia.
Fritz won 6-4, 6-2 against Uruguay's Diego Schwartzman.
World number three Alexander Zverev progressed to the next round with a 6-1, 6-4 victory against Canada's Felix Auger Aliassime.
He will meet Italy's Fabio Fognini, whose opponent Gilles Simon retired before their match had begun.
The next round will take place tomorrow.