Nintendo has announced Mario Tennis Fever for Nintendo Switch 2.

Mario Tennis Fever is in development for Nintendo Switch 2 and has a release date set for February 12th, 2026.

Here’s a brief blurb on the game, plus a reveal trailer:

Swing into action with 30 different Fever Rackets, each with their own special abilities, and 38 playable characters – the most in series history. Pair topspins, slices, lobs and other familiar shots with new slide moves and defense-focused footwork. There are multiple modes to enjoy including Tournament, Trial Towers, Mix It Up mode (with Wonder effects!), and Adventure mode, where Mario and friends are transformed into babies and must defeat monsters to return to normal. Plus, experience Joy-Con 2 motion controls with Swing Mode!