Rohan Bopanna suffered a shocking first-round defeat against Swiss qualifier Michel Kratochvil in the singles event of the USD 125,000 ATP Challenger Series in Segovia, Spain.
Bopanna lost 3-6, 3-6 in the hard court event on Tuesday.
The Indian would now look forward to repeat his last two week's successes in the doubles event, playing alongside Pakistan's Aisam-ul-Haq Qureshi.
The duo went on to win doubles titles at Manchester and Nottingham in the last two weeks.
The third seeded Indo-Pak pair has advanced to the quarter-finals here.
Among the other Indians in the fray, Mustafa Ghouse and his German partner, Frank Moser, survived a scare from wildcards Guillermo Alcaide and Oscar Burrieza to enter the quarter-finals.
Ghouse and Moser beat the Spaniards 2-6, 7-5, 10-6.
They will now be up against Kratochvil and Gilles Muller of Luxembourg.
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