British number two Cameron Norrie missed out on the San Diego Open title as he was beaten in straight sets by Norwegian second seed Casper Ruud.
Ruud breezed past Norrie 6-0 6-2 for his fifth title of the season - more than any other player on the ATP Tour.
Ruud, who beat former world number one Andy Murray in the second round, lost just one set throughout the tournament.
But there was British victory elsewhere in San Diego as Neal Skupski and Joe Salisbury won the men's doubles title.
They beat Australia's John Peers and Slovakia's Filip Polasek 7-6 (7-2) 3-6 10-5.