Fatherhood has not affected Novak Djokovic’s drive and motivation towads his game.The top seeded 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 diminshed his desire to finish the year as the world’s top-ranked player for the third time.Djokovic is concentrating on becoming the first player to win three straight ATP Finals starting from Sunday in London.
