Lee Westwood achieved a European Tour double Sunday by winning the season-ending Dubai World Championship and the overall money-list title. An imperious eight-under-par 64 earned a final 23-under total of 265 and a runaway six-stroke win over fellow Briton Ross McGowan (68). Westwood's rival for the Race to Dubai money-list, Rory McIlroy of Britain, was third on 273 after a 67. Englishman Westwood picked up 1.77 million euros ($2.37 million) for his double triumph. McIlroy arrived here leading the money-list but the 20-year-old Northern Irishman was eclipsed by Westwood, who started the week in second position. It was Westwood's second money-list crown after he also finished European number one in 2000. He threw down the gauntlet to McIlroy with five birdies in six holes from the second. The pick of those was a 35-footer down the hill on the third as Westwood turned on an impeccable display, particularly with the putter. By contrast McIlroy could only par the first eight holes, his frustration showing when he smashed a hole in an advertising hoarding at the seventh after his ball had bounced into wood chippings. The incident seemed to galvanize the youngster as he rattled off six birdies in nine holes to the 17th. Westwood proved unassailable though, even to the dogged McGowan who collected five successive birdies on the back nine before wilting with two closing bogeys. Westwood put his resurgence down to better fitness, an improved short-game and taking on Europe's best caddie in fellow Englishman Billy Foster. Both wins Cambodian Open In Siem Reap, Cambodia, Australia's Marcus Both ended a six-year title drought on the Asian Tour after securing a nail-biting one-stroke victory over Malaysia's Shaaban Hussin at the Johnnie Walker Cambodian Open Sunday. The Australian was six off the pace going into the final round but fired a closing five-under-par 67 to secure a winning total of nine-under-par 279 at the 300,000-dollar Asian Tour event. Shaaban needed a birdie on the 18th hole to force a play-off but could only make par as he signed for a 70 to finish a career-high second at the Phokeethra Country Club. Singapore's Mardan Mamat (67), Shiv Kapur of India (70) and rising Thai star Annop Tangkamolprasert (74) finished a further shot behind on 281. Rain plays spoil-sport Heavy rain on an already sodden course washed out play Saturday and forced officials to shorten the season-ending LPGA Tour Championship in Houston to 54 holes, to be completed Monday. More than 1.2 inches of rain fell at the Houstonian Country Club from Friday morning until officials made the decision on Saturday afternoon to call it off for the day.