Leander Paes and Mahesh Bhupathi will meet the Swiss pair of Roger Federer and Stanislas Wawrinka in the quarter-finals. They were smiling. With clenched fists they celebrated each point they won. They were pumped up. Above all, they were enjoying their game. Paes and Bhupathi were in their elements when they beat the Brazilian pair of Marcelo Melo and Andre Sa 6-4, 6-2 in second round. The seventh seeds will meet the Swiss pair of Roger Federer and Stanislas Wawrinka in the quarter-finals.