2020–21 ABA League First Division
Defending champions Crvena zvezda mts won its fifth title following a 3–2 win over Budućnost VOLI in the 2021 Finals.On 17 December 2020, the Slovenian club Koper Primorska was disqualified from the competition after failing to play two consecutive games due to financial problems.[2] All of the Koper Primorska results were registered with the scores of 20–0 for their opponents and were not awarded a point for the defeat.[2][3] The Slovenaian club Koper Primorska was disqualified from the competition on 17 December 2020 and forfeited 0–20 for all matches before and following ejection.The Slovenaian club Koper Primorska was disqualified from the competition on 17 December 2020 and forfeited 0–20 for all matches before and following ejection.