It's called "The Obama Bracket Challenge." Visitors to Obama's campaign website, BarackObama.com, are invited to pick the winners of each tournament matchup.
The prize isn't much, though: The campaign says it will "publish a list of everyone who does better than the President" on the website. Anyone who fills out a bracket is invited to donate money to Obama's campaign.
The president hasn't yet released his picks for this year's tournament. He is planning on taking British Prime Minister David Cameron to Dayton, Ohio, on Tuesday for a "First Four" matchup between Mississippi Valley State and Western Kentucky.