In the last Tennis tournament of the Calendar Year 2011, World No 1 Novak Djokovic will clash with Spaniard David Ferrer in the final of ATP World Tennis Championship. In the first Semi final at Abu Dhabi, Djokovic thrashed the former World Number 1 Roger Federer in straight sets 6-2, 6-1. In the other Semi final, defending Champion and World No.2 Spaniard Rafeal Nadal lost out to his compatriot David Ferrer in straight sets 6-3, 6-2. Nadal had won the last edition of the tournament defeating Roger Federer.