The Black Stars will play their first pre-Nations Cup warm up match against South African top flight side Kaizer Chiefs on Thursday.The squad has been in Rustenburg, South Africa since Saturday and will be tested by Kaizer Chiefs who are lie on the PSL table at half-way stage.Head coach Goran Stevanovic will work on his tactical approach for the tournament which begins next week.The Black Stars will also play trial matches against South Africa’s national team on Sunday and another top flight side Platinum Stars three days later.Striker Asamoah Gyan will sit out these matches due to a hamstring injury.The Al Ain ace has begun his horse placenta treatment with Serbian healer Mariajna Kovacevic.