The Black Stars will play against Olhanense in a pre-2015 Africa Cup of Nations friendly match on Wednesday after the Ghana FA cancelled the test game with Dutch Eredivisie side SC Cambuur.
Avram Grant will announce his 23-man squad shortly after the test match with the Portuguese second-tier side at the Algarve Stadium.
The Stars have also agreed to a warm-up match against German Bundesliga side Freiburg on 14 January at the Estadio Olímpico de Sevilla.
Meanwhile, talks are still underway for the friendly match with Dutch Eredivisie side Cambuur.
The Black Stars will arrive in Equatorial Guinea five clear days before the AFCON.