Federer into U.S. Open quarterfinals for 10th time in 11 years

FLUSHING MEADOWS, N.Y. -- Roger Federer reached his 10th U.S. Open quarterfinal in 11 years with a straight-set victory over Roberto Bautista Agut during Tuesday's action at the year's final Grand Slam tournament.

The second-seeded Federer wasn't severely tested by the 17th-seeded Bautista Agut on a steamy night in New York City, with the Swiss legend posting a 6-4, 6-3, 6-2 win to keep alive his quest for a sixth U.S. Open title.

Federer, who had a string of nine straight quarterfinal appearances in Flushing snapped by Tommy Robredo last year, is now 71-9 all-time in U.S. Open play.

The 17-time Grand Slam winner awaits a matchup with No. 20 seed Gael Monfils after the flashy Frenchman handed seventh-seeded Grigor Dimitrov a 7-5, 7-6 (8-6), 7-5 at Ashe Stadium earlier in the day.

Dimitrov, a Wimbledon semifinalist this year who dates women's superstar Maria Sharapova, struggled mightily with his serve and backhand on Day 9 and succumbed to Monfils in 2 hours, 24 minutes.

The ultra-athletic Monfils, who turned 28 on Monday and has yet to drop a set at this fortnight, popped 14 aces and was broken only once by his Bulgarian counterpart.

The match of the day belonged to 14th-seeded Croat Marin Cilic and 26th-seeded Frenchman Gilles Simon, with the two engaging in a four-hour, 13-minute slugfest in which Cilic narrowly prevailed.

Cilic won a key tiebreaker in the second set and scored a key late break in the fifth to outlast Simon by a 5-7, 7-6 (7-3), 6-4, 3-6, 6-3 count.

Simon had taken all four previous meetings with Cilic, including a five-set win at this year's Aussie Open.

Sixth-seeded Tomas Berdych had a far easier time in his fourth-round match, needing just 98 minutes to dispose of Dominic Thiem 6-1, 6-2, 6-4 and set up a quarterfinals clash with Cilic.

The men's quarterfinals will commence Wednesday, with world No. 1 Novak Djokovic taking on eighth-seeded Andy Murray and third-seeded Aussie Open champ Stan Wawrinka battling 10th-seeded Kei Nishikori.

The Serbian Djokovic and British Murray will meet for a 21st time at the ATP level, with the Serb leading the all-time series, 12-8. Djokovic is 3-2 in their Grand Slam meetings, but Murray is 1-0 versus Djokovic at the U.S. Open, including a win in the final here two years ago.

The reigning Wimbledon champion and seven-time major titlist Djokovic captured his lone U.S. Open title in 2011 and is a four-time runner- up in Flushing, including last year against Rafael Nadal. The Serbian star has appeared in the last four finals in New York.

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