Rafael Nadal said he's exhausted following a year in which he was crowned French Open and Wimbledon tennis champion and won the gold medal at the Beijing Olympics. Yet he's still hungry for more success.

"I am a little bit tired of a long season, mentally and physically," the 22-year-old told a press conference after moving into the third round of the BNP Paribas Masters. Nadal dismissed Florent Serra of France 6-2, 6-4 in front of a boisterous crowd at the Palais Omnisports de Paris-Bercy.

Fans shouted, played the drums and waved Spanish flags as the Spaniard mixed heavy top-spin ground strokes with sharp cross-court angles and attacks on the net. Dozens of Parisian children screamed and ran to the courtside to get his autograph after he won.

The tennis season, one of the longest in professional sports, isn't over for the Spaniard. After Paris, Nadal will compete in Shanghai alongside the other men in the top eight in the year-end Tennis Masters Cup. He then flies to Argentina to play for his country in the Davis Cup final.

Asked how fresh he feels at this point of the season, Nadal said he's "like a freezer."

Even so, he says he still has the motivation to win after a season during which he played 90 singles matches and won eight tournaments.

"I'm going to try my best in every match, until the last point of the last tournament, like always," he said. "Every match is important. Every match gives me more confidence for the next year too."

Nadal, who ended Roger Federer's record 237-week reign as No. 1 in August, plays local favorite Gael Monfils in the next round in Paris.

"He's playing very well this year, and I have to play my best tennis if I want to have chances to win tomorrow," Nadal said. Monfils, ranked 16th in the world, reached the semifinals of the French Open earlier in the year.