Top seed Rafael Nadal continued his overpowering path through the U.S. Open draw on Saturday with a 6-4 6-3 6-0 third-round victory over Serbian Viktor Troicki.

The world number one, trailed 3-1 in the second set and won 11 straight games to clinch another dominant win. 

Serving well, world number 71 Troicki caused Rafa some issues early on the set but the Spaniard snatched a break in the 10th game to take the opening set.The Serbian caused a ripple of excitement when he broke on the way to a 3-1 lead in the second set, but Rafael reacted by moving through the gears to roar home and set up a fourth-round battle with American Sam Querrey, who upset 14th seed Ivo Karlovic.

After a tough start against German Bjorn Phau in the first round, Rafa has improved with each match and said that he is beginning to approach top form.

"I am starting to play better," Rafa told reporters after clinching his 41st win in his past 42 matches.

"Today I played better than the last days. I started playing well and today I served very well."Having added Olympic gold to his two grand slam titles this year, Rafa is a serious contender for this years crown. 

His later than usual arrival in New York, meant he has taken more time to find his feet."The truth is that I was practising much better yesterday than the (first few) days," Rafa said. "I think I am ready to play a good match in the fourth round. I know I have to play a good match if I wan