Mahesh Bhupathi [ Images ] and his Australian partner Samantha Stosur [ Images ] lost the plot towards the end and crashed out of US Open [ Images ] mixed doubles event after a see-saw second round battle in New York.

The Indo-Australian pair began in the right earnest before finishing on the wrong side of the one-hour battle that saw Swede Robert Lindstedt [ Images ] and his Australian teammate Rennae Stubbs [ Images ] win it 2-6, 6-3, 12-10 in tie-breaker.

• Images from Day 6 | US Open coverage

Things looked rosy for Bhupathi and Stosur who broke their opponents twice to bag the first set to take early advantage. The second set, however, witnessed a fightback by their opponents who saved a break point and converted another to draw parity and stay afloat.

In the super tie-break, the Indo-Australian pair went neck-and-neck before their opponents cut loose to run away with the match.