The 2015 ATP World Tour was the global elite professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2015 tennis season. The 2015 ATP World Tour calendar comprises the Grand Slam tournaments, the ATP World Tour Masters 1000, the ATP World Tour 500 series, the ATP World Tour 250 series, the Davis Cup and the ATP World Tour Finals. Also included in the 2015 calendar is the Hopman Cup, which is organized by the ITF and does not distribute ranking points.
Novak Djokovic finished the year as world No.1 for the fourth time in his career. He won eleven tournaments during the season, including three majors at the Australian Open, the Wimbledon Championships, and the US Open, as well as the ATP World Tour Finals. He also won a record six Masters 1000 titles and finished runner-up at the fourth major, the French Open.
Chung Hyeon is a South Korean professional tennis player. He is the 2017 Next Gen Finals champion. As an unseeded player, he became the first Korean player to reach a Grand Slam semifinal at the 2018 Australian Open.
Hyeon Chung at the 2018 Australian Open