Soares reached the semifinals partnered with Anabel Medina Garrigues. In men's doublesfor the first time in his careerhe reached a Grand Slam final. However, Peya suffered a muscle strain near the end of the semifinals game against Melo and Dodig. In the US Open final, Soares could not play well because of the problem, and in the second set, Peya almost abandoned the game. Soares and Peya eventually lost the final in two sets. With these results, Soares qualified in anticipation for the ATP Finals for the first time in his career. On 7 October 2013, Soares became the No. 3 doubles player in the world; his best position of his career and the best position in the history of Brazilian tennissurpassing Cassio Motta, who was No. 4 doubles in 1983. At the end of October, Soares and Peya became two-time champions of the ATP 500 Valencia, defeating the Bryan brothers in the final. 2014 In 2014, the Soares/Peya partnership was beginning not to work as before. During the year, they had as prominent campaigns only the title of the Masters 1000 in Canada and one runner-up finish at the Masters 1000 Indian Wells, as well as a title in the ATP 250 in London. Soares finished the year as No. 10 in the world. 2015 The partnership did not work well. Just as in 2014, they obtained only two quarterfinals in Grand Slam events, and the result in the Masters 1000 has worsened, with the pair getting only two semifinals in Miami and Canada. Soares finished the year as No. 22 in the world. In October, Soares announced the ending of his partnership with Alexander Peya, and a new partnership with Britain's Jamie Murray in the 2016 season. 2016 The Soares and Murray partnership had an astonishing start. They reached the semifinals of the Doha ATP Tour 250, the first tournament of the season. On 16 January, Soares and Murray won the second tournament of the season, the Sydney ATP Tour 250. On January 30, the duo won the Australian Open. It was Soares' first Grand Slam title in men's doubles. Murray/Soares defeated the team of the Czech Radek Štěpánek and the Canadian Daniel Nestor in three sets in the men's doubles final. Soares partnered with Elena Vesnina in the mixed doubles and reached the final, where they overcame Horia Tecău and CoCo Vandeweghe in three sets. Soares became