A GameFly listing shows off both a release date and name for the 3DS title.
Mario Tennis Open could be heading to Nintendo 3DS on May 20, according to a GameFly listing.
The Camelot-developed Mario Tennis sequel for the 3DS has previously been given a tentative 2012 release date. According to a new GameFly listing, the game is now titled Mario Tennis Open. The page also displays a May 20 release date.
Nintendo has not at this moment confirmed any of this information, though we are waiting for a response from them.