Mario Tennis: Ultra Smash Walkthrough Part 1 - Knockout Challenge (Unlocking Star Mario)
Download Mario Tennis: Ultra Smash Walkthrough Part 1 - Knockout Challenge (Unlocking Star Mario)
Mario Tennis: Ultra Smash Walkthrough Part 1 - Knockout Challenge (Unlocking Star Mario)
This shows the knockout challenge with Mario. Completing 15 straight matches unlocks Star Mario. #MarioTennis #MarioTennisUltraSmash #Bowser


