Djokovic, Nishikori, Osaka reach U.S. Open quarterfinals; Federer ousted

Severin Luthi

Djokovic, who also struggled with the heat in his first-round victory against Marton Fucsovics, was not at his best but will now face Federer if the world No 2 defeats John Millman in Monday's night match.

Federer tore through the opening set in 33 minutes and served for the second at 5-4, before Millman saved two set points to level at 5-5.

Closed poorly, too. And now he's gone, beaten at the U.S. Open by an opponent ranked outside the top 50 for the first time in his career.

But Millman's fighting qualities shone through again when he immediately broke back, as the fourth set went back on serve and proceeded to another tie-breaker, which he won 7-3.

The biggest concern for Djokovic might well have been the conditions as the heat returned to NY after a few days of relief. From there things got easier, Cilic saying that Goffin confided after the match he had a shoulder problem. The Slovak got on the board for 3-1 with a forehand victor down the line, but Keys reeled off the final three games, breaking for 5-1 after Cibulkova punched a backhand volley wide on break point, then holding in the next game with two aces and a backhand down-the-line victor on set point.

Sousa, who got past 12th-seeded Pablo Carreno Busta and No. 17 Luca Pouille to become the first Portugese man to reach a Grand Slam last 16, was irked by the chair umpire's refusal to allow a line call challenge in the seventh game of the final set.

The heat proved more of a problem for Novak Djokovic than his rival.

Madison Keys returned to the U.S. Open quarterfinals with a 6-1, 6-3 victory over No. 29 seed Dominika Cibulkova of Slovakia.

Millman defeated the number two seed 3-6, 7-5, 7-6 (7), 7-6 (3) in a gruelling three-and-a-half hour match to reach his first ever quarter final in a Slam.

It is the third consecutive appearance that ended one step short of the quarter-finals for the 31-year-old Sharapova, who had been 22-0 under the lights at Arthur Ashe Stadium.

The Spaniard will be at that stage for the second time at the US Open, five years after her other run to that round.

In the final tiebreaker, he double-faulted twice in a row. She took six of eight break points.



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