Mario Tennis Aces, due to release on June 22nd for the Nintendo Switch, will be getting a free demo in the eShop on Thursday, May 24th. The 3-day multiplayer pre-launch tournament will also be taking place June 1st-3rd.
You may opt in to join the tournament which starts at 6 PM PDT on June 1st, and ends at 11:59 PM PDT on June 3rd. There is also the option to play the demo offline against the CPU for those that wish to have a more casual play through. Just for playing the demo, Mario’s classic outfit will be unlocked in the full version of the game if you choose to ultimately purchase it.