Day four of the action at the US Open saw world number three Andy Murray pushed all the way for his place in the third round as the Scot came from two sets down against France’s Adrian Mannarino to progress.
Murray failed to find his form in the opening two sets as Mannarino took advantage racing into a 2-0 lead but the British number one roared back to win 5-7 4-6 6-1 6-3 6-1 to keep hopes of a second US Open title alive.
Five-time US Open champion Roger Federer suffered no such problems in his second round match as the Swiss man enjoyed an easy 6-1 6-2 6-1 victory over Belgian Steve Darcis 6-1 6-2 6-1 to cruise into round three.
French Open champion Stan Wawrinka needed three tie-breaks to defeat gutsy South Korean teenager Chung Hyeon as he bagged a 7-6(7/2) 7-6(7/4) 7-6(7/6) straight sets victory to book his spot in the next round.
The sweltering heat took its toll on American Jock Sock who retired after fainting in his match against Ruben Bemelmans, with the Belgian trailing 4-6 4-6 6-3 2-1 in the fourth set, while fellow American John Isner eased through after a 6-3 6-4 6-4 win over Russian Mikhail Youzhny.
Sixth seed Tomas Berdych overcame a slow start as he also booked his spot in the third round after a 7-6 (7/2) 6-1 6-3 straight sets win over Austria’s Jurgen Melzer, while Frenchman Richard Gasguet saw off Dutchman Robin Hasse 4-6 6-3 7-6 (7/4) 6-4 to advance.
Leyton Hewitt’s last US Open came to an end at the second round as he lost to fellow Aussie Bernard Tomic, who emerged victorious 6-3 6-2 3-6 5-7 7-5 in a five-set thriller.
In women’s action, the top seeds continued to falter as Caroline Wozniacki was the latest to suffer an early exit from the US Open as he spurned four match points against Petra Cetkovska.
The Dane came from a set and 4-1 down to lead 6-5 in the decider but Czech Republic’s Cetkovska saved four match points won a deciding tie-breaker as she advanced into the third round after a 6-4 5-7 7-6 (7/1) victory.
Ninth seed Garbine Muguruza is also out of the tournament with Britain’s Johanna Konta dumping out the Wimbledon finalist 7-6 (7/4) 6-7 (4/7) 6-2, leaving just three top seeds left in the women’s competition.
One of them is Romanian Simona Halep who overcame Ukraine’s Kateryna Bondarenko with relative ease in a 6-3 6-4 win, while Petra Kvitova is also through after a comfortable 6-3 6-4 win over American Nicole Gibbs.
Viktoria Azarenka suffered no problems in her match with Belgian Yanina Wickmayer as the Belarussian enjoyed a 7-5 6-4 straight sets win and she now faces Angelique Kerber, after the German beat Karin Knapp of Italy in straight set 7-5 6-2.