Serbian tennis player Novak Djokovic is the current World No. 1 in men’s singles tennis by the ‘Association of Tennis Professionals’ (ATP). He is considered one of the greatest professional tennis players ever. He has held the top position for 270 weeks at a stretch. Djokovic has an enviable achievement of winning 17 ‘Grand Slam’ singles titles that include an all-time record of eight ‘Australian Open’ titles, five ‘Wimbledon’ titles, three ‘US Open’ titles, and a ‘French Open’ title. An exceptionally talented player, he has delivered numerous record-making and breaking performances. He is the only player to hold an ‘open era’ record of winning three ‘Australian Open’ singles titles in a row from 2011 to 2013. He is the third player to win four ‘Grand Slam’ titles in one calendar year, a feat that was repeated by him in 2015. In 2015, he won a total of six titles, breaking the single-season record. He has won four consecutive ‘ATP World Tour Finals,’ another ‘open era’ record created by this master. He is the only player to have completed a ‘Career Golden Masters’ in the ‘ATP World Tour Masters 1000.’ He has received numerous awards and honors including the ‘Order of the Republika Srpska,’ ‘Order of Karađorđe's Star,’ and ‘Order of St. Sava.’