2014–2015: Second wrist injury, two years away from tour Del Potro began his 2014 ATP World Tour season at the Apia International Sydney as the top seed, winning the final of the tournament against defending champion Bernard Tomic in only 53 minutes. It was his fifth title as top seed. When asked to play for Argentina in the Davis Cup, del Potro declined, arguing problems with the press and the team, and his decision to prioritize his personal career. At the Australian Open, he won his opening match against Rhyne Williams, but lost to Roberto Bautista-Agut in the second round, having led two sets to one. Despite his second-round loss, del Potro returned to being world No. 4 because David Ferrer made it only to the quarterfinals and thus lost 360 points, whereas del Potro lost only 45 points. After the Australian Open, del Potro required treatment for his left wrist, which has been giving him trouble since 2012. In February, at the 2014 Rotterdam Open, he eased past Gaël Monfils and Paul-Henri Mathieu in straight sets, but fell to Latvian Ernests Gulbis in the quarterfinals. In the 2014 Dubai Tennis Championships, he retired against Somdev Devvarman after losing the first set due to his wrist injury. The same injury led to his subsequent withdrawal from Masters 1000 series events in Indian Wells and Miami, meaning that del Potro dropped to world No. 8. Del Potro underwent surgery to repair the problem in his left wrist, missing the rest of the 2014 season. Del Potro began his 2015 season with wrist pain and was not sure whether he would play Sydney and the 2015 Australian Open. However, at the last minute he decided to play both tournaments. He had not played a tournament since February 2014, but he started the 2015 Apia International Sydney with a straight-sets win against Sergiy Stakhovsky. In the second round, his opponent was world No. 19 and top seed Fabio Fognini. It was a tough test for del Potro, but he proved to be stronger than the Italian. Del Potro was through to the quarterfinals, but lost to Mikhail Kukushkin in two tiebreakers. After his Sydney campaign, he was drawn to play Jerzy Janowicz in the first round of the 2015 Australian Open, del Potro withdrew due to his wrist injury the day before the match started. Del Potro played in Miami and was not