1st(1st leg) Avaí - SC - Grêmio Porto Alegre 1:2 (0:2)
2nd (2nd leg) Grêmio Porto Alegre - Avaí - SC 2:1 (1:0)
1st(1st leg): 03/10/2021 19:00 2nd (2nd leg): 10/10/2021 19:00 Winner: Grêmio Porto Alegre
1st(1st leg) Ceará - CE - Fortaleza 1:0 (0:0)
2nd (2nd leg) Fortaleza - Ceará - CE 0:0 (0:0)
1st(1st leg): 03/10/2021 19:00 2nd (2nd leg): 10/10/2021 19:00 Winner: Ceará - CE