The August Participation Bonus in the Mario Tennis Aces "August Online Tournament" is now available. The bonus includes colored Koopa Troopas. Along with that, the Co-op Challenge: Yoshi’s Ring Shot with the Goal-Clear Bonus being Blue Shy Guy, Red Shy Guy, and Yellow Shy Guy.
Mario Tennis Aces August 2020 content update now available (rerun)
Another chance to take a swing at things