Play alongside amiibo to earn them perks by winning matches in Knockout Challenge
In Online Doubles matches, you and your amiibo face off against an opponent and their amiibo
Train your amiibo with 8 different stats earned through Knockout Challenge wins.
*amiibo figures sold separately.
To see which amiibo you can use in Mario Tennis: Ultra Smash, go tohttp://www.nintendo.com/amiibo