Nole is a Serbian professional tennis player He is currently ranked as world No 1 by the ATP Djokovic has been No 1 for a record total of 354 weeks and has finished as ATP YearEnd No 1 on a record seven occasions He has won a joint record 20 Grand Slam mens singles titles including a record nine Australian Open titles Overall he has won 86 ATP singles titles including a record 37 Masters events Djokovic is the only man in the Open Era to achieve a double career Grand Slam and complete a noncalendar year Grand Slam He is also the only player to complete the career Golden Masters on the ATP Tour which he has done twice Djokovic began his professional career in 2003 At age 20 he disrupted Roger Federers and Rafael Nadals streak of 11 consecutive majors to win his first Grand Slam title at the 2008 Australian Open By 2010 Djokovic also separated himself from the rest of mens tennis to join Federer and Nadal in the Big Three the group of three players who have dominated mens tennis for more than a decade In 2011 Djokovic was ranked No 1 for the first time winning three out of four majors and a thenseason record of five Masters events He remained the best player in mens tennis for the rest of the decade leading the tour in major and Masterss titles and winning four out of his five titles at the ATP Finals consecutively from 2012 through 2015 After four consecutive yearend finishes at No 3 through 2010 Djokovic finished No 1 for six years and No 2 for three years in the next decade Djokovic had another career year in 2015 reaching fifteen consecutive finals including all four major finals and eight Masters finals winning three majors and a seasonrecord of six Masters events as well as the ATP Finals The following year he won the 2016 French Open to complete the first and only noncalendar year Grand Slam in the Open Era and his first career Grand Slam He became the first man since Rod Laver in 1969 to hold all four major titles at once and the only one in history to do so on three different surfaces Representing Serbia Djokovic led the Serbian national team to their first Davis Cup title in 2010 and to the inaugural ATP Cup title in 2020 Moreover he won the bronze medal for Serbia at the 2008 Beijing Olympics Djokovic has won the Laureus World Sportsman of the Year award four times 2012 2015 2016 2019 the BBC Sports Personality World Sport Star of the Year award in 2011 and the LÉquipe Champion of Champions award in 2021 He is also a recipient of the Order of St Sava the Order of Karađorđes Star and the Order of the Republika Srpska Beyond competition Djokovic was the former ATP player council president and is also an active philanthropist In August 2020 Djokovic and Vasek Pospisil announced the formation of the Professional Tennis Players Association as the first playeronly association in tennis citing the need for players to have more influence on the tour and advocating for better prize money structure for lower ranked players