Just four teams remain as the FIBA Americas Championship in Mar del Plata, Argentina reaches the semi-final stage on Saturday.
Top seed Brazil will take on the Dominican Republic in the first semifinal game at Polideportivo Islas Malvinas on Saturday. Argentina and Puerto Rico will take on each other in the other semifinal match.
Brazil and the Dominican Republic last met in the group stage with the latter posting a 79-74 upset win.
Argentina and Puerto Rico also played each other in the initial group round with the hosts posting an 81-74 victory.
The winners will directly qualify for next year's London Olympics while the losers will join fifth-ranked Venezuela in the World Olympic Qualifying Tournament.
FIBA Americas Championship Fixtures
10.09.2011
23:00 Brazil v Dominican Republic
11.09.2011
01:15 Argentina v Puerto Rico