Ian Poulter shot a 6-under 64 for a two-shot lead through three rounds at the Open in Hong Kong.
The Englishman followed his second round 60 in lowering birdies on the last two holes of the third inning, pulling clear U.S. Open champion Graeme McDowell and Englishman Simon Dyson.
But it was McDowell who may be slaughtered a day, and certainly one of the best rounds of the day with a 63rd The 31-year Northern Irish drove the green on 10, which was shortened to the third round to 287 meters before a long putt.
That started a back nine birdies consecutive impressive that the 13, 14 and 15 hole.
McDowell fellow Ulsterman Rory McIlroy, vice-champion in 2008 and 2009, is a stroke further back in a tie for fourth with American Anthony Kang.
First round leader Mark Brown was next at 14 under, tied with Singh Jeev Milkha of India.
