Tennis News US Open

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The Australian Nick Kyrgios during his straight-sets loss to Andy Murray in the third round.

Nick Kyrgios, the 29th seed, was unable to summon his customary firepower in a 6-4, 6-2, 6-3 loss to third-seeded Andy Murray.

By DOUGLAS ROBSON

Imison is responsible for turning the chaos of thousands of interview requests at the French Open and other major tournaments into an orderly process.

By CHRISTOPHER CLAREY

The career of the American Jack Sock, 22, who has been compared to the former star Andy Roddick, is back on the upswing after he learned how to keep tennis in perspective.

By THE ASSOCIATED PRESS

Federer, the No. 2 seed and a 17-time Grand Slam champion, has won his first three matches at Roland Garros in straight sets, beating 88th-ranked Damir Dzumhur by 6-4, 6-3, 6-2.

Rules do not prohibit requests from players to work with different umpires, and such requests are not without precedent. Nor are they guaranteed to succeed.

By BEN ROTHENBERG

Williams, the No. 1 seed, beat 105th-ranked Anna-Lena Friedsam in three sets in the second round, a year after she was eliminated in Paris in the same round.

Karatantcheva was 15 when she reached the quarterfinals of the 2005 French Open, but soon after hit a low when she was suspended two years for doping.

Halep, the No.3 seed and a finalist at Roland Garros last year, lost to 70th-ranked Mirjana Lucic-Baroni, who stunned Halep in similar fashion at the U.S. Open last summer.

Ernests Gulbis, Eugenie Bouchard and Simona Halep are all out of the tournament early after riding high in last year’s event.