<P> Djokovic began his French Open campaign with a straight three sets win over David Goffin in the first round and also defeated Guido Pella in straight sets in the second round . In the third round, Djokovic defeated Dimitrov in three sets . In the fourth round he came back from a set down and defeated Philipp Kohlschreiber of Germany in four sets and in the process he had reached a 16th consecutive Grand Slam quarterfinal . Djokovic then lost to Nadal in the semi-final in five sets . </P> <P> In the finals of the 2013 Wimbledon Championships, Djokovic lost to Murray in straight sets . At the Rogers Cup, he lost to Nadal in the semi-final in three sets . Later, Djokovic lost to Isner in the quarterfinals in Cincinnati . Djokovic went on to reach the US Open final, where he met Nadal for the 37th time in his career (a new open era record). He went on to lose in four sets . In early October, Djokovic collected his fourth Beijing title by defeating Nadal in the final in straight sets . He also collected his second Shanghai Rolex Masters title, extending his winning streak to 20--0 over the last 2 seasons at the hard court Asian swing of the tour . Djokovic won his 16 Masters 1000 title in Paris at the end of the season, beating David Ferrer in the final . At the 2013 ATP World Tour Finals Djokovic retained the trophy, beating Nadal in straight sets . </P> <P> Djokovic began the year with a warmup tournament win, the 2013 Mubadala World Tennis Championship . At the Australian Open, he won his first four matches in straight sets, against Lukáš Lacko, Leonardo Mayer, Denis Istomin and number 15 seed Fabio Fognini respectively . He met Wawrinka in the quarterfinals of the tournament, the second consecutive year the two had met at the event . Despite coming back from two sets to one down, Djokovic fell 9--7 in the fifth set, ending his 25--match winning streak in Melbourne, as well as his streak of 14 consecutive Grand Slam tournament semi-finals . The week of 27 January marked the first time since 2011 that Djokovic has not been a Grand Slam title holder . </P> <P> Djokovic also would play in the Dubai Tennis Championships but lost to eventual champion Roger Federer in the semi-finals . However, Djokovic would avenge his loss to Federer, winning his third Indian Wells Masters title, beating Federer in the final . Continuing his good run, he beat world No. 1 Nadal in the final of the Miami Masters in straight sets . Suffering from a wrist injury which hampered him throughout the Monte - Carlo Masters, Djokovic lost the semi-finals to Federer in straight sets . After returning from injury, Djokovic won his third Rome title by beating Nadal in the final of the Italian Open . He subsequently donated the $500,000 in prize money that he had received to the victims of the 2014 Southeast Europe floods . </P>

How old was djokovic when he won first major