POIPU BEACH, Hawaii (AP) -- Tiger Woods had a stomach virus and withdrew from the pro-am Monday at the PGA Grand Slam of Golf.
PGA of America spokesman Julius Mason said tournament officials still expect Woods to play in the 36-hole event for winners of this year's majors.
The $1 million event was scheduled to begin Tuesday with Woods attempting to win his sixth Grand Slam title.
Woods, fresh from a successful defense of his title at the Dunlop Phoenix in Japan, told officials early Monday that he was up all night and wouldn't be able to attend the pro-am or clinic.
That left Vijay Singh and U.S. Open champion Michael Campbell as the only participants in Monday's pro-am. Defending champion and PGA Championship winner Phil Mickelson wasn't scheduled to arrive on Kauai until Tuesday.
Mason said Woods' ankle, which he twisted on his tee shot during a playoff hole in Japan, wasn't the problem.
Woods has said his ankle has been bothering him for about a month and that the cold weather in Japan made it worse.
He won six times on the PGA Tour this year, including major victories in the Masters and British Open.
If Woods, a five-time PGA Grand Slam champion, cannot play, former Masters champion Fred Couple would be the first alternate to replace him because of Couples' finish in all four majors this year. Alternates are determined using a points system based on how players finish in each of the year's four majors.
The exclusive event is scheduled to be played Tuesday (7 p.m.-10 p.m. ET on TNT) and Wednesday (6 p.m.-10 p.m. ET on TNT) at Poipu Bay Golf Course in Kauai, Hawaii.
Copyright 2005 by The Associated Press.
All Rights Reserved.