2015 Novak Djokovic tennis season record breaking amount of prize money. Djokovic had an impressive 15-4 record against the other 3 members of male tennis's Big Four, including a 4-0 record versus Rafael Nadal, 6-1 record against Andy Murray, and a 5-3 record against Roger Federer. Some experts consider it the greatest season ever in men's tennis. Djokovic managed to reach the final of the 2015 Australian Open after beating Milos Raonic in the quarterfinals and defending champion Stan Wawrinka in the semifinals. He would then defeat Andy Murray in the final, earning him a fifth Australian Open title, an Open Era record. At the
Tennis at the 2012 Summer Olympics the career Golden Grand Slam in both singles and doubles (the Williams sisters had already completed their career doubles Golden Grand Slam at the 2001 Australian Open, joining Pam Shriver in Seoul in 1988 and Gigi Fernández at the 1993 Australian Open.) Furthermore, the Williams sisters also became the first four-time gold medalists in Olympic tennis history. In the men's singles tournament final, Andy Murray beat Roger Federer in straight sets in front of a home crowd to avenge his four-set loss against Federer exactly four weeks earlier on Centre Court in the finals at Wimbledon. In doing so, he