World number two Andy Murray beat Spain's Marcel Granollers 6-4 7-6 (7-3) to reach the third round of the BNP Paribas Open at Indian Wells.
The Briton, 28, recovered from 3-1 down to take the first set despite hitting just one winner, before clinching victory in a second-set tie-break.
Murray will face Argentina's Federico Delbonis in the next round.
Earlier, British women's number one Johanna Konta beat Madison Brengle 6-4 6-0.
Konta, seeded 25, won in 64 minutes to record her first victory in four attempts over the American.
She next faces Denisa Allertova after the Czech player shocked Australian Open champion Angelique Kerber, and semi-final conqueror of Konta in Melbourne, 7-5 7-5.