4 David Ferrer, losing just two games in the match,[16] and at BNP Paribas Open defeating Juan Martín del Potro.

[22] However at Wimbledon, Nadal suffered his earliest ever defeat at a Grand Slam tournament, losing to Belgian Steve Darcis in the first round.

[24] He then became only the fourth player to win Canada & Cincinnati in the same year, beating American John Isner in the final of Western & Southern Open.

Novak Djokovic began the year by reaching the final of the Hopman Cup with Ana Ivanovic but lost to Anabel Medina Garrigues and Fernando Verdasco.

[27] Djokovic then defended his Shanghai Rolex Masters title by defeating del Potro in a third set tiebreak, thus having a 20 match winning streak in China.

[29] He won his second title of the year at the Sony Open Tennis, defeating David Ferrer in the final, saving match point in the process.

[38] Following his return from injury, Murray came back strong, and had his best ever grass court season, winning the Aegon Championships defeating defending champion Marin Čilić,[39] and then going on to end a 77-year wait for a British male singles champion at Wimbledon, defeating Djokovic in straight sets to clinch his second major trophy, and maintain his 18-match winning streak on grass.

[32] The recurrence of his back injury meant that Murray struggled during the North American hard court season, exiting the Rogers Cup and Western & Southern Open in the third round and quarterfinals respectively.

Murray entered the US Open as defending champion, however fell at the quarterfinal stage to Stanislas Wawrinka in straight sets, after having struggled against his previous three opponents.

[37] Ferrer reached his fifth final of the year at the Portugal Open facing Wawrinka, but this time falling in straight sets to the Swiss.

[48] Ferrer then followed it up with another final appearance at the Valencia Open 500, where he is the defending champion, however he fell to Russian Mikhail Youzhny in straight sets.

Juan Martín del Potro had a shaky start to the season, losing in the third round of the Australian Open in five sets to Jérémy Chardy.

[51] However he rebounded from this loss to win the ABN AMRO World Tennis Tournament, defeating Frenchman Julien Benneteau in the final in straight sets.

[52] He then made it to his second Masters 1000 final at the BNP Paribas Open defeating Andy Murray and Djokovic, ultimately losing to Spaniard Rafael Nadal in three sets.

[56] He won his third title of the year in Rakuten Japan Open Tennis Championships, defeating Canadian Milos Raonic in the final.

Stanislas Wawrinka is having his best year on the ATP Tour to date, reaching a career high ranking of number 8 in the world.

[71] He also reached his first slam semifinal at the US Open defeating defending champion Andy Murray in the quarterfinals in straight sets, before losing to world no.

[79] At the US Open, the Frenchman reached his first slam semifinal since 2007 Wimbledon, when he defeated David Ferrer in five sets, in his first win over the Spaniard in five years.

[24] He reached his fourth final at Rakuten Japan Open Tennis Championships, but lost to Juan Martín del Potro in two tight sets.

[99] They then won their tenth title at the Western & Southern Open defeating the Spanish pair of Granollers/López[100] Coming into the US Open, the Bryans were aiming to be the first team since Ken McGregor and Frank Sedgman in 1951 to win the "calendar year grand slam", however they lost in the semifinals to Paes/Štěpánek ending their 28 match winning streak in slams.

On 10 September, US Open finalists Alexander Peya & Bruno Soares, and Leander Paes & Radek Štěpánek were announced as next two qualifiers.

[107] Soares and Peya won their first Masters title, both individually and as a team, at the Rogers Cup over British pair of Colin Fleming and Andy Murray.

[108] At the US Open, the pair reached their first Grand Slam final, however fell to established doubles partnership Leander Paes and Radek Štěpánek in straight sets.

[103] Soares paired with Colin Fleming in February to win the Heineken Open, beating Brunström/Nielsen,[110] and also reached the mixed doubles final of Wimbledon with Lisa Raymond, losing to Daniel Nestor and Kristina Mladenovic[111] This is the first appearance at the event for both men.

On 21 October, debutants Ivan Dodig and Marcelo Melo and defending doubles champions Marcel Granollers and Marc López were announced as qualifiers.

[124][125] On 2 November, after the defeat of Max Mirnyi and Horia Tecău, the Polish team Mariusz Fyrstenberg and Marcin Matkowski took the final spot.

He is joined by 2009 US Open winner Juan Martín del Potro, 17 time grand slam champion Roger Federer, and Richard Gasquet.

They are joined by the teams of Ivan Dodig and Marcelo Melo, Aisam-ul-Haq Qureshi and Jean-Julien Rojer, and Mariusz Fyrstenberg and Marcin Matkowski.

Group B is composed of US Open finalists Alexander Peya and Bruno Soares, and champions Leander Paes and Radek Štěpánek.

The group is completed by Spanish teams of Marcel Granollers and Marc López, and David Marrero and Fernando Verdasco.