The Black Stars have opened their camp in Nairobi ahead of Saturday's decisive 2013 Africa Cup of Nations qualifier against Malawi in Lilongwe.18 players had reported to camp by Tuesday morning with the remaining three expected to join the team later in the day.Italy-based Kwadwo Asamoah and Evian duo of Jonathan Mensah and Rabiu Mohammed are the only players yet to report to camp.The Black Stars will hold their first training session on Tuesday evening.They will be training in Nairobi until Friday when they leave for Lilongwe where the match will be played.Ghana lead Malawi 2-0 going into the second leg of their final-round qualifier in Lilongwe on Saturday.The aggregate winners will play at next year's finals in South Africa.