Beatriz Recari of Spain claimed her first US LPGA title on Sunday at the Blackhawk Country Club in Danville, California.
The 23-year-old was in her rookie season on the US tour and carded 70 in the final round, 2-under par. Overall, she had a 14-under par total of 274.
"I'm thrilled," Recari told AFP. "I'm very proud of how I handled myself out there. I did not allow the nerves or [look] any further than what I had to do right in front of me."
Gwladys Nocera of France shot just one behind Recari and finished in second place.
After the win, she jumped 98 spots in the world rankings to 74th place.
Recari was born and raise in Pamplona, Spain, the city that hosts the running of the bulls every year and learned the game from her dad Jose Luis.