The official website opened for Mario Tennis Open over the weekend in Japan. The website gives details on game modes, gameplay, character clips, Mii support and wireless play information.
Some special games are shown, which include Ring Shot, where you try to hit the ball through rings and Galaxy Shot, where you try to avoid holes in the tennis court.
The Mii section shows custom Mii characters, where you can give your Mii special rackets, clothes, wrists bands and shoes. The game has over 200 items, unlockable as you play in matches. The game has wireless play, includes local and internet. The game also supports StreetPass, where you can exchange Miis via StreetPass.