Indian aces Mahesh Bhupathi and Leander Paes breezed into the quarter-finals of the mixed doubles event with their respective partners following straight set wins over their opponents at the US Open in New York, on Saturday. Top seeds Bhupathi and his American partner Liezel Huber eased past Jill Craybas and Eric Butorac of the US 6-3, 6-3 in a 54-minute second round match.