It promoted to Germany's prime league Basketball Bundesliga for the first time in 2020.

Based on its first place in the standings, the Niners were promoted to the Basketball Bundesliga for the first time in club history.

[4] The Niners entered the qualifying rounds of the 2022–23 Basketball Champions League, making their debut in European competition.

[5] In their second European season, the Niners won the 2023–24 FIBA Europe Cup championship, their first trophy in club history.

Starting from the 2019–20 season, the team moved to the Chemnitz Arena, with a capacity of 5,200 people.