The AT&T National at Congressional Country Club may be Tiger Woods' tournament, but the world's No. 1 player will not be participating as a golfer.Woods, who finished a disappointing 32nd with a score of 13-over-par at last weekend's U.S. Open at Merion Golf Club, announced on the Tiger Woods website he's skipping the PGA Tour event at Congressional Country Club Bethesda, Md. tournament to undergo treatment for a strained left elbow.Woods said in a statement he's taking the time off to make sure he's prepared for the British Open in July—the third of professional golf's four major championships each season."I would like to extend my regrets to AT&T, our sponsors and the fans in the Washington, DC, area," Woods said in a statement on his website . "The AT&T National means a lot to me and my foundation. It's especially difficult not defending at my own tournament. It's going to be a great event, and I look forward to being there to provide my support."The AT&T National will be played at Congressional Country Club June 27-30.