Real Tamale United handed Ghana Premier League leaders Asante Kotoko their third defeat of the season at the Aliu Mahama Stadium on Sunday.
Ronald Frimpong got the first goal for the hosts after their player was brought down in the box and he scored from the spot.
RTU got their second goal in the second half when goalkeeper Danlad Ibrahim failed to clear a cross and Victor Aidoo headed the ball to score for the northern giants.
Minutes later, Franck Mbella Etouga was brought down in the box and he was awarded a penalty and the Cameroonian scored his 17th goal of the season.
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