[Nintendo Switch Sports]
— OatmealDome (@OatmealDome) July 27, 2022
Mii CPUs have been added to offline modes. To play against Mii CPUs, hold down L + ZL or R + ZR while selecting a difficulty. A sound will play and a Mii CPU will assigned as your opponent.
You can fight Matt by activating Miis on Chambara + Powerhouse. pic.twitter.com/B1AuznBzLG