He finished the year with two Grand Slam titles , including his first French Open .
Although he lost his No. 1 ranking to Andy Murray , Djokovic reached the championship game at the ATP World Tour finals .
Djokovic finished the year with two Grand Slam titles , including Djokovic 's first French Open .
Although he lost his No. 1 ranking to Andy Murray , Djokovic reached the championship game at the ATP World Tour finals .