Dustin Johnson will take a three-shot lead into the final round of the WGC-HSBC Champions in Shanghai despite two double-bogeys on Saturday, while Australia&aposs Scott Hend is tied for 15th. The American held a five-shot advantage at the halfway mark of the PGA Tour event, but Ian Poulter equalled the then-course record with a brilliant nine-under round of 63 at the Sheshan International Golf Club to move just three shots adrift of Johnson. Johnson had also carded a 63 on Friday and he hit another 10 birdies on Saturday, but dropped two shots at the 10th and another two at the 18th to drop back to 18 under. Englishman Poulter, who sits outright second, moved up the leaderboard by reeling off five birdies in a row on the front nine – and eight in total as well as an eagle at 14 to put himself in contention for a lucrative win on Sunday. Martin Kaymer went one better than Poulter as he broke the course record with a sublime 10-under 62 and the German is now eight shots adrift of the leader after climbing to a tie for seventh. The former world number one, winner of this tournament two years ago, made six of his 10 birdies on the back nine to storm up the leaderboard. Northern Ireland s Graeme McDowell is a shot behind Poulter on 14 under after a blemish-free round of 64, which included six birdies and an eagle at the 16th. McDowell s compatriot Rory McIlroy, the leader after the first round, is tied for fourth place at 12 under with Englishman Justin Rose and Canadian Graham DeLaet after carding a 64 on Saturday. Americans Boo Weekley and Bubba Watson are level with Kaymer on 10 under heading into the final round. As for Hend, the five-time Asian Tour winner is 11 shots off the pace following his bogey-free round of 66. Fellow Australian Daniel Popovic (69) is one over for the tournament, while compatriot Brett Rumford (79) is 14 shots further back in 76th position.