The 2012âÂÂ13 season (35th edition) of BAI Basket kicked off on November 16, 2012, with 10 teams playing the regular season in a double round robin system. The 5 best teams qualified for group A and the last five, group B in an intermediate stage, in which each group will play in a double round robin, at the end of which the best four teams of group A are playing the final four for the title in a round robin system at four rounds. The relegated team from group A in the intermediate stage joined the best three teams of group B from the intermediate stage to play for the 5th-8th place classification whereas the last two teams will play for the last two.
Primeiro de Agosto won the championship after finishing the final four with a 9âÂÂ3 record.
Serie A <onlyinclude> </onlyinclude> <small>As the group winner, Petro Atlético is awarded a bonus point for the group stage.</small>
Serie B <onlyinclude> </onlyinclude>
<onlyinclude> </onlyinclude> <small>As the group winner, Primeiro de Agosto is awarded a bonus point for the final four.</small>
<onlyinclude> </onlyinclude>
<onlyinclude> </onlyinclude>
<div style="text-align: center;"> <span style="font-size:120%">2013 BAI Basket MVP</span> <br> Cedric Isom (Primeiro de Agosto) <br> <span style="font-size:120%">2013 BAI Basket Top Scorer</span> <br> Carlos Morais (Petro Atlético) <br> <span style="font-size:120%">2013 BAI Basket Top Rebounder</span> <br> Eduardo Mingas (Interclube) <br> <span style="font-size:120%">2013 BAI Basket Top Assists</span> <br> Cedric Isom (Primeiro de Agosto) </div>
<onlyinclude> </onlyinclude>
<div style="text-align: center;"> Cedric Isom (1ú de Agosto) <br> Carlos Morais (Petro Atlético) <br> Reggie Moore (1ú de Agosto) <br> Eduardo Mingas (Interclube) <br> Kikas Gomes (1ú de Agosto) </div>