The Mets and Yankees first met in a regular season game on June 16, 1997 with the introduction of interleague play. The Yankees won the game 6-3. The Yankees took the next two games to win the series, all three being played at Yankee Stadium. 1999 marked the first year of this rendition of the Subway Series to be two three game series, three hosted by the Mets and three hosted by the Yankees. The Mets won the series for the first time in 2004, four games to two. The Yankees lead the series all time with 11 series wins to the Mets 3 series wins with there being 10 ties. The Yankees lead in head to head wins 75-52, counting postseason.