A final result determining section determines a final result of a related match which is carried out in parallel with at least a part of a main match in which a target instructed by a game player participates. A main match performing section carries out the main match. An interim result output control section causes an output section to output an interim result of the related match in a case where the main match is being carried out. An interim result determining section determines the interim result of the related match to be output in the case where the main match is being carried out, based on an interim result of the main match and the final result of the related match.