New Delhi: Tennis court lord Novak Djokovic and his eight years long girlfriend Jelena Ristic has recently got engaged privately. On September 26, 2013 Djokovic announced his engagement on Twitter. The couple started dating on 2005. The couple Jelena and Novak first met at a tennis training facility and it was love at first sight for the teenagers. Unlike Djokovic, Jelena went on to pursue her studies while his tournaments took him around the world.Novak went on to become the world's top ranked tennis player and credits Jelena for his success. Novak Djokovic has been winning matches all around the globe, since the day he has been dating Jelena. Djokovic thinks Jelena is his lucky mascot.Novak once said that Jelena has been the biggest support in his life. Sometime back the couple were caught by papparazi's lenses when they went on a short romantic trip at a beach somewhere in Serbia.