Ghana's Group B opponents at the African Nations Cup, Ivory Coast, beat Tanzania 1-0 in Dar el Salaam on Monday in a pre-tournament test match at the National Stadium.Elephants captain Didier Drogba scored the only goal on 37 minutes in a match that attracted close to 60,000 spectators.Ivory Coast fielded the strong squad that gave a gist of their starting line-up against Burkina Faso on 11 January in Cabinda.Ghana play Ivory Coast on 15 January in the second Group B matches before playing Burkina Faso in the final fixture.Ivory Coast coach Vahid Halilhodzic said : "I was surprised by how good Tanzania were but I had warned my players not to underestimate them. They (Taifa Stars) were fast, technically sound and I am happy that we won."Ivory Coast will play Rwanda at the same venue on Thursday before leaving Dar es Salaam on Friday for the Orange Nations Cup Finals in Angola.Ivory Coast line-up:Barry Boubacar (Vincent Agban), Emmanuel Eboue, Souleyaman Bamba, Siake Tiene, Didier Zokora, Emerse Fae, Yaya Toure, Kader Keita, Abib Kolo Toure,Didier Drogba, Salomon KalouSource: Ghanasoccernet.com