Tennis legend Roger Federer arrived in Delhi on Sunday for International Premier Tennis League. Federer will partner Sania Mirza and Rohan Bopanna for doubles and mixed doubles events, respectively. The 17-time Grand Slam champion will also play singles. Federer-led Indian Aces currently lead the points table. Pete Sampras and Novak Djokovic will also enthrall the Delhi crowd on Sunday and Monday.