Match Play first-round preview

MARANA, Ariz. -- Golf's version of March Madness starts Wednesday. The Accenture Match Play Championship features 64 of the world's top golfers, each looking to make it through six rounds and grab the trophy that Geoff Ogilvy claimed last year. Here are the breakdowns for all 32 first-round matches:

Jason Sobel is ESPN.com's golf editor. He can be reached at Jason.Sobel@espn3.com.