Complex sentence: Federer won the set, but according to International Premier Tennis League rules Djokovic needed to win one more game for his team to officially win the match which he did and the game had no effect on the set that they played.
Split into simpler sentences: Federer won the set, but according to International Premier Tennis League rules Djokovic needed to win one more game for his team to officially win the match. He this, and the game had no effect on the set that they played.