Katie Swan, a British qualifier, suffered her first loss in the Indian Wells main draw after failing to capitalize on her opportunities against Cristina Bucsa of Spain.
Swan, who entered the BNP Paribas Open through qualifying, fell to Bucsa, who is ranked 90th, 7-6 (8-6) 7-5.
At 6-5 in the tie-break, the 156th-ranked British number six had a set point, but she was unable to convert it because Bucsa, 25, had won the first game.
Swan, 23, had five set points at 5-4 in the second but lost them all. He was twice up by breaks.
Swan appeared to be physically strained toward the finish of the first-round encounter when Bucsa persevered to eventually hold service for 5-5. Swan then served out the match after the Spanish qualifier broke for 6-5.
Despite this, it