Chilean-bred Tronare, making his first American stakes start, defeated favored Soud in a powerful stretch duel to capture Sunday's $90,00 Golden Gate Breeders' Cup Handicap (gr. IIIT) on the turf.Ridden by Roberto Gonzalez, Tronare won by a length in 1:48 2/5 for the 1 1/8-mile event contested on firm going. Soud, the 17-10 choice ridden by Kent Desormeaux, was two lengths ahead of Aly Bubba and Joe Castro.Kristin Mulhall trained the winner, a 6-year-old son of Stuka, for owners Noctis Stable, Neil Papiano and Steve Taub. Winless in four previous starts against allowance or allowance/optional claiming competition in the United States, Tronare was sent off at 10-1 in the field of nine grass runners ages 3 and up.After battling for the lead through an opening quarter mile in :24, Soud took control while carving fractions of :47 3/5and 1:11 3/5. Tronare, just off the pacesetters in third, moved to even terms on Soud's outside at the top of the stretch and the two battled down the lane.Gent was a nose behind Aly Babba, with 19-10 second choice Epicentre another head behind in fifth.Stakes-placed in group I company in his native Chile, the chestnut Tronare notched his third win 16 starts while earning $41,250. He has career earnings of $98,001.Tronare paid $23.40, $8.80 and $5.20. Soud, who has finished first or second in six consecutive races, returned $3.20 and $2.80. Aly Bubba's show was $7.60. The $2 exacta was worth $88.20.