( CNN ) -- Luke Donald gave his preparations for next week 's British Open a massive boost by securing a comfortable four-stroke victory in the Scottish Open at Castle Stuart , Inverness on Sunday . The world number one secured his third title of 2011 with a superb nine-under-par final round 63 -- his lowest-ever round on the European Tour -- for a 54-hole total of 197 ( -19 ) in a tournament reduced to three rounds because of adverse weather conditions . Sweden 's Fredrick Andersson Hed carded an even more impressive 10-under 62 to take second place while a group of seven players , including former Masters champion Angel Cabrera , tied for third place a further stroke behind . Mickelson still shooting with young guns . The 33-year-old Englishman , who posted eight birdies including four in a row from the third hole , has now won six European Tour events and 10 worldwide . `` It 's nice to get another victory -- I can get used to this , '' Donald told reporters after his second successive win following-on from his success at the PGA Championship in May . `` To do it on a links course is even better and when I play well I tend to do reasonably well the next week . `` This was perfect preparation . It does n't get any better than going out and winning the week before the British Open . I 'm going to be high on confidence . '' With fellow-Englishman Lee Westwood coming only joint 14th , Donald also stretched his lead at the top of the world rankings . However , there was disappointment for European Ryder Cup captain Colin Montgomerie , who will miss his first British Open in 22 years after failing to get the top five placing he needed to qualify for the tournament .
World number one Luke Donald claims victory in the Scottish Open on Sunday . The American has won three of his last four matches and is now just two points behind world The tournament is reduced to 54 holes because of adverse weather conditions .