Djokovic aiming for second US Open

Novak Djokovic is looking to win in New York City for the first time since 2011.

Novak Djokovic is unquestionably the world number one in the ATP rankings - the best player on the planet and the favourite to lift the US Open trophy in a little over two weeks.

However, though he is a multiple Grand Slam winner, most of them have been accrued at the Australian Open and Wimbledon. He has won in Melbourne five times, in London three times and in New York only once - back in 2011.

He has never won in Paris, a long-standing aim of the Serb, but he will also be anxious to improve his record at Flushing Meadows this year.

His 2015 form has justified his status as world number one. Djokovic has won Grand Slam numbers eight and nine at the Australian Open and Wimbledon and, after knocking out Rafael Nadal, was hoping to finally win the French Open only to lose in the final to Stan Wawrinka.

He has won four other events this year; the Masters events in Indian Wells, Miami, Monte Carlo and Rome and has reached the final in his two most recent tournaments - warming up for the US Open - losing to Andy Murray at the Canadian Open and Roger Federer at the Cincinnati Masters.

Behind Djokovic in the rankings is Federer, world number two at the age of 34. The win in Cincinnati was his biggest of the year so far and demonstrated that, when he plays at the peak of his form, he is a match for anyone on any surface.

Though he lost to Djokovic in the final at Wimbledon, his display in the semis against Murray was, for many observers, the best grass-court performance they have ever seen.

The Swiss is a five-time winner in New York and although it is three years since his last Grand Slam win and seven years since he last won the US Open, in his best form he could well go all the way.

Murray, after an indifferent 2014, has come back into form this year and, having been unlucky in the Grand Slams so far in 2015, will hope his luck changes in time for his assault on the US Open.

He has won the title before and his recent success over Djokovic in Montreal was timely should the pair meet in New York. Before that the world number one had won their eight previous meetings including two in Grand Slams this year - the final in Melbourne and in the semi-finals in Paris.

Nadal has won the US Open twice, most recently in 2013, but his form since has suffered and he now finds himself down at eight in the world. His Grand Slam record this year has not impressed and, on current form, it is hard to see the Spaniard recovering and climbing back among the game's elite.

He reached the quarter-finals in Melbourne and Paris, the latter a surprise following nine titles in 10 years on the clay. However, this year he was beaten in straight sets by Djokovic and that was followed up by a second-round loss at Wimbledon.

Many would love to see Nadal back at the top but it is difficult to make a case for him advancing beyond the last eight at Flushing Meadows.

Defending champion Marin Cilic was a surprise winner last year, beating another Grand Slam final debutant in the shape of Kei Nishikori. Both will be hoping rather than expecting to get as far this year.

Another player with perhaps a greater chance is Wawrinka who, in winning the French Open, confounded those who dismissed his previous Grand Slam win in Melbourne last year as a fluke.

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