In October, Del Potro reached the final of the 2013 Shanghai Rolex Masters, defeating Philipp Kohlschreiber, Tommy Haas, Nicolás Almagro, and Rafael Nadal (for the first time since the semifinals of the 2009 US Open) en route, but eventually losing to defending champion Novak Djokovic in a third-set tiebreak. Later, he beat Roger Federer at the 2013 Swiss Indoors in the final, his fourth title of the year. However, lost to Federer at the 2013 BNP Paribas Masters and in a winner-take-all, round-robin clash in the 2013 ATP World Tour Finals. He finished the year with a 51–16 record, winning four titles overall and $4,294,039. Del Potro was named Argentina's Sportsman of the Year.