Sam Querrey of the US poses with his trophy after beating Britain's Andy Murray to win the ATP L.A. Tennis Open tournament in Los Angeles, California August 1, 2010. Photo: Xinhua

American Sam Querrey rallied to beat British top seed Andy Murray 5-7, 7-6 (7-2), 6-3 in the final for the Los Angeles Open title on Sunday.

The 23-year-old Scot squandered a match point in the second set and suffered his first loss in five career meetings with Querrey, who had never before taken a set off Murray.

Hometown favorite Querrey won his fourth title of the season and became the first back-to-back champion at the 700,000-dollar hardcourt event since Andre Agassi defended his crown in 2002.

World number four Murray announced a split from coach Miles Maclagan earlier this week. He said a final decision is not expected before the US Open.

Sam Querrey celebrates after defeating Andy Murray of Great Britain during their final match at the Farmers Classic tennis tournament, Aug. 1, 2010, in Los Angeles. Querrey won 3-0. Photo: Xinhua

Britain's Andy Murray reacts to losing a point against Sam Querrey of the US during their final match at ATP LA Tennis Open tournament in Los Angeles, California August 1, 2010. Photo: Xinhua

Britain's Andy Murray sticks out his tongue as he reacts to losing his match point in the second set against Sam Querrey of the US during their final match at ATP LA Tennis Open tournament in Los Angeles, California August 1, 2010.  Photo: Xinhua