Djokovic through to US Open quarterfinals

Djokovic brushed off any rustiness - he enjoyed a walkover and early retirement in earlier rounds - to dispel any doubts about his form, although there remain concerns over his fitness after he was forced to call for treatment on his elbow early in the third set.

He looked fresh and rested as he dominated Edmund in the first two sets and appeared well on his way to waltzing through the third.

Djokovic started the third set in similar fashion, opening with a hold before breaking Edmund to love as we reached an hour and a quarter for the match time in Arthur Ashe Stadium. Djokovic had his elbow massaged at a changeover; a trainer worked on his right arm in the first round.

"I thought I came out of the blocks really good", Djokovic said in an on-court interview, after wrapping up his 6-2, 6-1, 6-4 win.

Edmund, who upset American John Isner on Friday, stuck around long enough to lose in straight sets.

Djokovic also had his right arm worked on during his first-round victory on Day 1 of the tournament. He told BBC that the successive withdrawals of his two opponents, Czech Republic's Jiri Vesely and Russia's Mikhail Youzhny, helped with nursing his injuries.

1, who opted out of the Cincinnati Masters recently due to an injury in the left hand, hasn't been at his best at the US Open this year.

Coverage: Live commentary on Radio 5 live sports extra plus live text on the big matches on the BBC Sport website and app. And it was evident why Djokovic is the top-ranked player during his quick win over Kyle Edmund in the fourth round Sunday.

Meanwhile, Rafael Nadal suffered yet another embarrassing defeat, crashing out of the tournament to Lucas Pouille in five sets.

The tennis ace will next play No. 9-ranked Jo-Wilfried Tsonga on Tuesday. I came off a lot happier than I was during the match just because I got something going and started to impose myself a lot better.

Displaying poise beyond his years, the 22-year-old Pouille took charge early and led two sets to one. "And to win three best-of-five sets, I've never done that in my career".

Hitting some huge forehands, Edmund broke serve twice in a row to lead 3-2 before Djokovic resumed control, eventually winning the last eight points in succession.

In the quarter-finals the world No1 will play Jo-Wilfried Tsonga, with the victor to face either Lucas Pouille or Gael Monfils. In the victory, Tsonga won 83 percent of his first serve points and 44 percent of his second serve points.

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Edmund did seem a little overwhelmed at times on Sunday.

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Djokovic joked around when discussing his looming match-up with Tsonga.

The 29-year-old remains on course for his 13 Grand Slam title and his third this year.

Later, Baghdatis told reporters he was messaging his wife.

It is the first time since 1947 that three French men have reached the quarterfinals of one Grand Slam. She hadn't won a match at a major in 2016 until arriving in NY.

"He made a lot of errors but generally he played a good tournament".

Gael Monfils' sizzling summer rolls on with a quarterfinal run at the U.S. Open. Thiem retired with an apparent knee injury while trailing 6-3, 3-2.

For a start, by reaching the fourth round in NY he has pushed his ranking up from No84 to a career high 55.

At one point, he said: "It was good".

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