London: Becoming a father has not affected Novak Djokovic's drive and motivation.
The top-ranked Serb won his 20th Masters title in Paris last week in his first tournament since the birth of his baby boy, Stefan. Childcare duties have not lessened his desire to finish the year as the world's top-ranked player for the third time. (Also read: Boris Becker Extends Deal as Novak Djokovic Coach)
Djokovic is also trying to become the first player to win three straight ATP Finals since Ivan Lendl in 1985-87 when the action starts on Sunday in London.