The Santiago South Opening Tournament or the Association Cup (Portuguese: Torneio de Abertura de Santiago Sul, Capeverdean Crioulo, ALUPEC or ALUPEK: Turnéu di Abertura di Santiagu Sul), is an opening tournament competition (equivalent to a league cup used in other countries) played during the season in the south of Santiago, Cape Verde consisting the municipalities of Praia, Ribeira Grande de Santiago and São Domingos.

[1] Its current champions is Desportivo da Praia who won their second and recent title in 2016.

The first edition took place in 2000 and was the second regional competition after the championships alongside Boa Vista, Fogo and Maio.

Sporting won the most tiles totaling five and Desportivo is second with two titles.

Several cancellations occurred, in 2014 and in the early part of the 2016-17 season.