The American had been third in the world rankings before leapfrogging the Australian Day.
The Spaniard played a bogey-free round of three-under-par 69 to finish on 19-under-par 269 to win the oldest professional tournament in the Middle East.
The Spaniard shot a four-under par 68 at the Emirates Golf Club and goes into the final day of the $2.5m European Tour event at 16-under par 200.
The South African picked up three strokes in his first eight holes to move to nine under par, one ahead of overnight leader Sergio Garcia.
The American former world No.1 played just one round in Dubai, shooting 77.
Garcia shot a superb opening round of seven-under par 65 while Woods slumped to a birdie-less five-over par 77.
BEFORE nailing the most important birdie of his fledgling career, Wang Jeung-Hun took a deep breath to calm down his nerves. He then slowly rolled the ball to the big applause of the crowd. Phew!
A TOUR veteran, Thomas Bjorn is a well-respected figure in golf circles around the world. With 15 European Tour titles to his credit, Bjorn is undoubtedly the most successful golfer from Denmark.
FRANCE’S Mike Lorenzo-Vera had a decent outing at the Commercial Bank Qatar Masters tournament where he had a share of the lead at one stage before finishing tied fourth.
AS CURTAINS came down on the historic 20th edition of Commercial Bank Qatar Masters, it was time to relive the past.
THE way Jaco Van Zyl played at one stage gave the impression that the Mother of Pearl trophy would stay with a South African for the third year in a row.
England’s Chris Paisley, who finished tied-13th overall, won $150,000 for bagging a hole-in-one in the second round.
IN A TOURNAMENT where some of the big names struggled, Rafa Cabreba-Bello did his reputation no harm with rounds of 70, 70, 66, 68 for a tied sixth-place finish.