Union Berlin achieved promotion to the Bundesliga for the first time in their history in the 2019-2020 season, while St. Pauli has not played in the Bundesliga since the 2010-2011 season.
Union Berlin's home stadium is the Stadion An der Alten Försterei, which has a capacity of around 22,012 spectators, while St. Pauli's home stadium is the Millerntor-Stadion, with a capacity of around 29,063 spectators.
Union Berlin's traditional colors are red and white, while St. Pauli's traditional colors are brown and white.
Union Berlin is known for being a fan-owned club, while St. Pauli has a reputation for being a socially conscious and politically active club.