https://thenextweb.com/gaming/2018/07/06/review-mario-tennis-aces-is-like-cocaine-fun-but-leaves-you-wanting-more/

In Mario Tennis Aces, a portly moustachioed man and a mushroom travel around a magical world to try and cure the former’s brother after he was possessed by a dark force hiding in a tennis racquet named Lucien.

Well, Mario Tennis Aces is the eighth game in the ball-based series and the first on the Switch. It’s also the first Mario Tennis since Power Tour for the Game Boy Advance to have a full-blown story mode.