| 01/12/66 | |
| BOCA 0 | VELEZ 3 Willington Magdalena e/c Carone |
| 01/12/66 | |
| FERRO 2 Noguera Tojo | RIVER 3 Delem Más 2 |
| 02/12/66 | |
| ROSARIO CENTRAL 1 Griguol | CHACARITA 0 |
| 03/12/66 | |
| GIMNASIA LP 2 O.López Castillo | ATLANTA 2 Salomone Raimondo |
| 03/12/66 | |
| HURACAN 2 Cabaleiro T.Gómez | INDEPENDIENTE 3 Artime Tarabini 2 |
| 04/12/66 | |
| COLON 3 Manfredi 3 | BANFIELD 0 |
| 04/12/66 | |
| LANUS 4 Acosta 4 | QUILMES 3 Della Savia 2 Basílico |
| 04/12/66 | |
| PLATENSE 1 Yudica | NEWELL'S 3 Miretto Ibáñez Avallay |
| 04/12/66 | |
| RACING 2 Basile Perfumo | SAN LORENZO 0 |
| 06/12/66 | |
| ARGENTINOS JRS 0 | ESTUDIANTES LP 0 |
