Recently, Nintendo released a brand new update for Mario Tennis Aces which contained a new playable character Pauline from Super Mario Odyssey!

You can check out the patch notes of the character here!

Here is some gameplay of Pauline below:

https://www.youtube.com/watch?v=ixGWJcZSkag

If we have any more information to share we will cover it here at NintendoSoup so stay tuned for more!