Updated

Five-time champion Roger Federer advanced to the fourth round at the U.S. Open on Saturday.

The third-seeded former world No. 1 Federer got past 27th-seeded Croat Marin Cilic 6-3, 4-6, 6-4, 6-2 at Arthur Ashe Stadium. The Swiss icon improved to 59-6 lifetime in Flushing Meadows.

Federer was locked in a tight battle with Cilic, after he dropped the second set and then found himself knotted at 4-4 in the third. But the Swiss stalwart broke the tall Croat for a 5-4 edge and then consolidated the break with a set-winning hold. He would cruise the rest of the way in a match that ended when Cilic netted a backhand return after 2 hours, 40 minutes of tennis.

Cilic tallied 44 unforced errors and had his serve broken five times by one of the all-time greats.

The 30-year-old Federer titled here five straight years from 2004-08 and was the 2009 runner-up to Juan Martin del Potro. He owns a men's record 16 Grand Slam titles and was this year's French Open runner-up to Rafael Nadal.

Former Wimbledon runner-up Tomas Berdych came up a third-round loser on Day 6. Gritty Serb Janko Tipsarevic, seeded 20th, was leading the ninth-seeded Berdych 6-4, 5-0 when the big Czech due to a right shoulder injury.

Berdych, who reached the quarterfinals at this year's Australian Open, was last year's Wimbledon runner-up to the former No. 1 Nadal.

Another former world No. 1, Juan Carlos Ferrero, reached the round of 16 when his opponent retired on Saturday. The unseeded former U.S. Open runner-up Ferrero was leading 31st-seeded fellow Spaniard Marcel Granollers 6-1, 4-3 when Granollers quit.

The former French Open champion Ferrero, the 2003 U.S. Open runner-up to American Andy Roddick, will meet Tipsarevic in his next outing.