https://www.polygon.com/2018/3/8/17097836/mario-tennis-aces-release-date-switch

Mario Tennis Aces will be released June 22 on Nintendo Switch, the company announced today during its latest Nintendo Direct presentation.

It will be the first entry in the sports franchise to be available on Nintendo’s latest gaming platform. The previous Mario Tennis game, Mario Tennis: Ultra Smash, launched in November 2015 on Wii U. Nintendo unveiled Mario Tennis Aces during a surprise Nintendo Direct Mini video in January.