In the 1998–99 season, the team promoted to the Polish Basketball League (PLK).
In the 2010s Czarni Słupsk was a steady competitor in the PLK, with several Playoff appearances.
On 31 January 2018, Czarni Słupsk retired from the league and was dissolved due to financial collapse.
Note: Flags indicate national team eligibility at FIBA-sanctioned events.
Note: Flags indicate national team eligibility at FIBA-sanctioned events.