Ivy League Baseball Championship Series Ivy League Baseball Championship Series The Ivy League Baseball Championship Series is the conference baseball championship of the NCAA Division I Ivy League. The top two finishers from the round-robin regular season participate in a best of three series held at campus sites, with the winner earning the conference's automatic bid to the NCAA Division I Baseball Championship. In 2018, defeated host in two games. In 1930, six of the eight Ivy League teams formed the Eastern Intercollegiate Baseball League. Harvard joined in 1934, while Brown, Army and Navy joined in 1948. When Army and Navy joined the Patriot League
Ivy League and Barnard College entered into an athletic consortium agreement by which students from both schools compete together on Columbia University women's athletic teams, which replaced the women's teams previously sponsored by Barnard. When Army and Navy departed the Eastern Intercollegiate Baseball League in 1992, all intercollegiate competition involving the eight schools became united under the Ivy League banner. The Ivy League schools are highly selective, with acceptance rates since 2018 being 10% or less at each of the universities. Admitted students come from around the world, although students from New England and the Northeastern United States make up a significant