The Indian pair of Mahesh Bhupathi [ Images ] and Rohan Bopanna [ Images ] squandered two match-points before losing to Jonathan Marray and Frederik Nielsen in their opening match at the ATP World Tour Finals, in London [ Images ], on Tuesday.
The Indians, making their debut as a pair in the elite season-ending event, lost their Group B match 6-4, 7-6(1), 10-12 in 96 minutes.
Bhupathi-Bopanna are coming into the top-8 team event after winning the Paris Masters last week.
The fifth seed Indian pair will now have to win their last two Group B matches to keep themselves in the semi-finals race.
Bhupathi-Bopanna rallied well against the British-Denmark combination after losing the first set, and even had two match-points in the Super tie-breaker, but could not cash in on them.
Leander Paes [ Images ] and his Czech partner Radek Stepanek, seeded third in Group A, open their campaign against Paris Masters finalists and seventh seeds Aisam-ul-Haq Qureshi [ Images ] of Pakistan and Dutch Jean-Julien Rojer.