Djokovic broke Rafael Nadals' record by winning his 23rd Grand Slam at the French Open. He went on to extend the lead by winning his 24th Grand Slam at the US Open.
Djokovic eclipsed Roger Federer’s long-standing record of making 46 Grand Slam semifinal appearances. He reached his 47th at the US Open before going on to win the Grand Slam.
Extended his record of 6 ATP Finals which was previously tied with Federer to 7
Extended his men’s record of 373 weeks and surpassed Steffi Graf‘s record of 377 weeks as World No.1 to 400.
Djokovic became the first and only male player to win all four Majors three times.
Djokovic broke the record for the most matches contested and won against top 10 opposition, with a total of 368 matches played and 257 wins.
Djokovic is the second male player in the Open era to win 55+ matches in a single season after turning 35 after Ken Rosewall.