Software update: July 15th 2014
A software update is now available that introduces adjustments to enhance the overall experience. Please start the game while your Wii U console is connected to the internet to update the software. The software version after this update will be 4.1, as shown in the image below.
The software version is displayed in the bottom-right corner.
Fixes an issue where the results of online Two-Player Team Play tennis matches were not displayed correctly in Play Records
Introduces additional enhancements to improve the user’s experience and enjoyment
Downloading updates will not affect any of your saved data.