KUALA LUMPUR — Spain's Sergio Garcia fired a sparkling 11-under-par 61 to claim the weather-hit Iskandar Johor Open Golf Tournament Sunday as Thailand's Thaworn Wiratchant became the oldest winner of the Asian Tour's Order of Merit title. Heavy storms in southern Malaysia had already cut the Asian Tour's $2-million season-ending event to 54 holes and more adverse weather forced a further delay in play on Sunday. Garcia, though, did not let it affect him as he produced some brilliant golf to finish the three rounds with an 18-under 198 total and win by three from American Jonathan Moore (61). The tournament's highest-ranked player did not drop a shot during the final round at the Horizon Hills Golf and Country Club, firing seven birdies to make the turn in 29 and spark hopes of a rare 59. The 32-year-old Ryder Cup winner could only par his final two holes, though, as he signed for a joint best round of the week to claim his second tournament win of the year, following his Wyndham Classic victory on the PGA Tour in August. Thailand's Thaworn was also celebrating as he produced a final-round 65 to finish tied fifth and clinch his second Asian Tour Order of Merit title ahead of his 46th birthday this month. Thaworn's compatriot Thongchai Jaidee finished third, four shots behind Garcia with a 65, with overnight leader Daniel Chopra of Sweden a further shot back in fourth with a 69. Big-hitting American John Daly also shot a 65 to finish tied 15th on eight under while multiple major winner Ernie Els completed a disappointing week with a final round of level par for a three-under total in tied 48th. Davis Love III, son ahead Davis Love III and son Dru birdied five of the last six holes for a 12-under 60 in the Father-Son Challenge scramble event, giving them a one-stroke lead after the first round in Orlando Saturday. Dru Love is at the University of Alabama after winning five Georgia state titles in high school. Mark O'Meara and son Shaun, and Fred and Taylor Funk were a stroke back, and Larry Nelson, who won the last two Father-Sons in 2007-08 before the event went on a three-year hiatus, was two shots back with son Josh. Bernhard and Christina Langer, one of two father-daughter pairings, also were 10 under along with 72-year-old Jack Nicklaus and son Gary, Hale and Steve Irwin, and Vijay and Qass Singh.