page_title: NCAA Division I Men's Basketball Tournament
section_title: Seed pairing results
hierarchical_section_title: NCAA Division I Men's Basketball Tournament / Tournament statistics / Seed pairing results
caption_attribution_description: English: %Wins per rank in the NCAA final tournament till 2010
context_page_description: The NCAA Division I Men's Basketball Tournament, also known and branded as NCAA March Madness, is a single-elimination tournament played each spring in the United States, currently featuring 68 college basketball teams from the Division I level of the National Collegiate Athletic Association, to determine the national championship. The tournament was created in 1939 by the National Association of Basketball Coaches, and was the idea of Ohio State coach Harold Olsen. Played mostly during March, it has become one of the most famous annual sporting events in the United States.
  It has become extremely common in popular culture to predict the outcomes of each game, even among non-sports fans; it is estimated that tens of millions of Americans participate in a bracket pool contest every year. Mainstream media outlets such as ESPN, CBS Sports and Fox Sports host tournaments online where contestants can enter for free. Also, there are many sites that cater to corporate marketing and public relations to get in on the excitement such as BigTourney.com.
context_section_description: Since the inception of the 64-team tournament in 1985, each seed-pairing has played 140 games in the Round of 64, with the following results:
caption: NCAA Tournament % Wins per rank
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