Mario Power Tennis (Nintendo GameCube) Playthrough - Part 17 {Rainbow Cup - Singles} @GreyGuerillaNetwork

Mario Power Tennis (Nintendo GameCube) Playthrough - Part 17 {Rainbow Cup - Singles} @GreyGuerillaNetwork

Uploaded June 2012 | Updated September 2026, 21 hours ago

Bowser Jr.'s next opponent in the Rainbow Cup is Diddy Kong. The winner of this round will move on to the finals.

Mario Power Tennis (Nintendo GameCube) Playthrough - Part 17 {Rainbow Cup - Singles}

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Mario Power Tennis (Nintendo GameCube) Playthrough - Part 17 {Rainbow Cup - Singles}