2021 Karaliaus Mindaugo taurė
The 2021 Karaliaus Mindaugo taurė, also known as Citadele Karaliaus Mindaugo taurė for sponsorship purposes, was the sixth edition of the Lithuanian King Mindaugas Cup. Žalgiris were the defending champions. Žalgiris successfully defended its title after beating BC Lietkabelis in the Final. Format. The top four placed teams from the LKL 2019–20 season, gained an automatic bye to the 2021 Karaliaus Mindaugo taurė quarterfinals. While the six lower placed teams from the 2019–20 LKL season along with six other NKL teams, playing in first round, competing for the other four quarterfinals places. Draw. The first round  draw of the 2021 Karaliaus Mindaugo taurė, was held on 23 September 2020. LKL teams were paired with the NKL teams. The drawing ceremony was held in half time of BC Žalgiris against BC Dzūkija in LKL TV studio. Brothers Kšyštof Lavrinovič and Darjuš Lavrinovič were guests who helped to draw pairs. First round. Two best first round pairs winners, who had the highest position in table last season, gained an automatic bye to the quarterfinals. Rest four teams, who won in first round, play in second round. Four teams will be paired by draw and will be playing two  games home and away. Second round. From each pair, the team with the best difference between the points scored and missed in both matches will advance to the quarterfinals. If, at the end of the second match, the total difference between the points scored and missed by both teams is equal, then an overtime or as many overtime will have to be played until the winner of the pair is determined. Three-Point contest. Domantas Vilys was selected as Justas Tamulis replacement.