- Associated Press - Tuesday, September 4, 2012

NEW YORK — Refusing to allow his opponent even a glimmer of hope under the lights, Andy Murray wrapped up a straight-set win on a drama-free evening inside Arthur Ashe Stadium.

The man now hoping to pump up the volume at the U.S. Open: Andy Roddick.

One loss from retirement, No. 20 seed Roddick plays his fourth-round match against No. 7 seed Juan Martin del Potro on Tuesday night, in search of the first big-time upset in a men’s draw that has mostly gone to form — and very quietly at that.

Third-seeded Murray defeated No. 15 Milos Raonic of Canada 6-4, 6-4, 6-2 to wrap up play Monday — a day that included a walkover for No. 1 Roger Federer, who advanced when Mardy Fish withdrew because of health reasons.

“Today was by far my best match of the tournament,” said Murray, who beat Federer to win the Olympic gold medal earlier this summer but is still in search of his first Grand Slam title. “Hopefully, I can get some good rest tonight and tomorrow, get ready for the quarterfinals, you know, get pumped. Because you’re only a few sets from maybe competing for a Grand Slam final and you need to get ready for it.”

Defending champion and No. 2 seed Novak Djokovic also plays his fourth-round match Tuesday, against No. 18 Stanislas Wawrinka. Through Monday, the top three men have lost a grand total of one set. Murray’s four-set win over Feliciano Lopez in the third round has been the only match to include so much as a tiebreaker.

Djokovic has gone the last two matches without facing a single break point. Against big-serving Raonic, Murray got halfway to matching that, serving 14 games without ever facing a loss. Meanwhile, he used his good return game to take away his opponent’s biggest weapon — a serve that maxed out at 140 mph. Raonic finished with 14 aces, but also six double-faults and never found an answer for Murray’s serve.

“Not much I could do,” Raonic said. “I tried everything. I tried three different ways. I tried playing back, playing high to him. I tried coming in a lot. Everything really.”

Murray’s win came a few hours after Serena Williams recorded the fifth 6-0, 6-0 victory of her career, this one over Andrea Hlavackova, who was making her deepest run into a Grand Slam.

Hlavackova said she went out against the No. 3 seed trying to win, not simply trying to keep things close, or “play for a score,” as her coach called it.

“I was in the match. I was trying to figure out how to win,” she said. “And when it was, like, 6-love, 4-love, 30-love, I was thinking, ‘Well, I’m not playing for a score, but one game wouldn’t hurt.’”

Federer didn’t lose a game because he didn’t have to play one. Fish pulled out as a precaution on his doctor’s advice. The 30-year-old Fish missed about 2½ months this season because of an accelerated heartbeat and had a medical procedure in May.

Federer’s next match is against No. 6 Tomas Berdych, a 7-6 (4), 6-4, 6-1 winner over No. 11 Nicolas Almagro. Berdych has split his last six matches against Federer, including a win at the 2010 Wimbledon quarterfinals that snapped a record string of 23 consecutive appearances in Grand Slam semifinals.

Federer will have at least three days of rest before their quarterfinal. (There’s a 60 percent chance of rain in Queens on Tuesday and Wednesday.)

“Maybe if I would be in his situation, I would rather play a match and win it and keep the rhythm of one day match, one day off, then play another one,” Berdych said. “Probably he doesn’t care at all.”

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