Purchase tickets to watch a game at Kumasi Sports Stadium. If there's nothing on while you're in town, you might like to check if they give a guided tour of the grounds.
You'll find this attraction located in Kumasi. Pay the entry fee and then take your time to explore. Once you've finished up at Kumasi Sports Stadium, head over to nearby sights like Kejetia Market, Manhyia Palace and Paa Joe Stadium.