The Capitals–Penguins rivalry is an ice hockey rivalry between the Washington Capitals and Pittsburgh Penguins of the National Hockey League. Both teams have played in the Metropolitan Division of the Eastern Conference since 2013. This rivalry stems from the 11 playoff series that the two teams have met in, which is second most between NHL expansion teams behind the Dallas Stars and the St. Louis Blues (who have met each other in 14 playoff series). Pittsburgh won in every series except for the 1994 Eastern Conference Quarterfinals and 2018 Eastern Conference Second Round, in which Pittsburgh were heavily-favored both times. There is also only a 250-mile drive between the cities of Washington, D.C. and Pittsburgh, allowing visiting fans of both teams to attend each other's games in fairly