( CNN ) -- Rory McIlroy produced a dazzling performance to clinch the World Tour Championship in Dubai . The world no.1 birdied the last five holes to pip Justin Rose by two shots and round off a phenomenal year . Beginning the day leading the field alongside Luke Donald , the Northern Irishman was forced to produce his brilliant best as his Ryder Cup teammate faded towards the end . McIlroy had fallen two shots off the lead following a bogey on the 13th as Rose bloomed in the Dubai sunshine . McIlroy to duel with Donald for Dubai glory . Rose , ranked seven in the world , set a new course record with a bogey-free round of 10-under par 62 . But McIlroy , watched by tennis ace girlfriend Caroline Wozniacki , produced an exquisite run of form down the final stretch to finish on six-under 66 and 23-under for the tournament . And the 23-year-old , who came into the tournament having already won the Race to Dubai European Money List , was thrilled with his latest triumph . McIlroy clinches money list double . `` I just wanted to finish the season the way I thought it deserved to be finished , '' McIlroy told reporters . `` I 've played so well throughout the year , and I did n't want to just let it tail off sort of timidly . I wanted to come here and finish in style . I was able to do it . `` Obviously going out today , myself and Luke ( Donald ) were tied for the lead , and we both did n't get off to the greatest of starts . `` And then Justin had that incredible back nine , shot 62 , and I knew midway through the back nine I needed to do something special . `` Somehow I summoned up the energy from somewhere to make five birdies in the last five holes . It 's just a great way to end this tournament , a great way to end the season , and I am already excited about 2013 . `` It means a lot to me to win in this fashion , as well . I guess in a way , Justin gave me the opportunity to do what I did . `` I guess seeing a target there and shooting at something , it definitely makes you more focused . '' The 23-under-par 265 recorded by McIlroy matched the lowest four-round aggregate in the four-year history of the tournament -- set by Lee Westwood in 2009 . Will McIlroy join Tiger at Nike in $ 20M a year deal ? He also equaled the Englishman 's achievement of winning both the Race to Dubai European Money List and the World Tour Championship in the same season . Meanwhile , Rose was left to reflect on what might have been having gone close to making an eagle putt from 70 feet on the 13th only to miss by inches . He said : `` That was a lot of fun . The front nine was just as good as the back nine , and the back nine putts started going in , which is a nice feeling . `` But you know what Rory is capable of . Fair play to him for making all those birdies down the stretch . '' Luke Donald , who led alongside McIlroy overnight , finished on 18-under for the tournament after making two bogeys on the final round having not made any over the first 100 holes of the tournament . He finished level alongside 2011 Masters champion Charl Schwartzel .
Rory McIlroy wins the World Tour Championship in Dubai . The American won his first major title since winning last year's U.S. Open at Congressional. McIlroy had already won Race to Dubai and topped European Money list . Justin Rose finishes second after threatening to shock the Northern Irishman .