American Sam Querrey could be a fourth-round opponent, but I wonder how much Querrey has left for the Open. He's played a lot of tennis this summer.

穆雷第四轮的对手则可能是美国人萨姆·奎雷尔，不过我怀疑在今年夏天参加了如此多的比赛之后，来到美网的奎雷尔还有多少余力？

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Of the seven Americans in the draw, four are in Nadal's quarter, including both seeds, Mardy Fish and Sam Querrey.

本次参加法网的七个美国人中，有四位与纳达尔分在同一区，包括两位种子选手费什和奎雷。

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John Isner will be making his debut while Sam Querrey will be making only his third appearance.

伊斯内尔是他的首次亮相，而奎罗伊将是他的第三次露面。

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There were also wins for Thiemo de Bakker, Sam Querrey, Thomaz Bellucci and Michael Berrer.

BBC: Andy Roddick through to Cincinnati Masters second round

He also coaches a handful of male players including Jack Sock, Steven Johnson and Sam Querrey.

WSJ: Serena Williams Knocked Out of Australian Open

Sam Querrey lasted only 50 minutes in the fourth round and lost to Tomas Berdych, 6-1, 6-1.

NPR: Djokovic Upset By Tommy Haas At Key Biscayne