How to Update Mario Tennis Fever

Nintendo Switch 2

Follow these steps to update Mario Tennis Fever, or review the software's update history.

Note

This update must be applied in order to use the game’s Internet features.
A Nintendo Switch Online membership is required to use the game's online features.
Save data will still be available for use after downloading the update.
The update will download and install automatically if the console is connected to the Internet and the Software Auto-Updates setting is enabled on your Nintendo Switch 2 console. To ensure you have space to download the update, please review our storage tips for Nintendo Switch 2.
All players must be using the same version of the software to play together. Please make sure you have the same update version as the person you are playing with.

On August 31, 2026, a new software update for Mario Tennis Fever became available for download. Please take a moment to download and install this update while your Nintendo Switch 2 console is connected to the Internet.

Complete these steps

Connect your Nintendo Switch 2 console to the internet.
- How to connect Nintendo Switch 2 to a wireless home network
  1. Place the Nintendo Switch 2 console within 10 feet of the wireless router so there will be a strong wireless signal.
  2. Select System Settings from the HOME Menu.
  3. Select Internet, and then Internet SettingsConfiguración de internetParamètres InternetConfigurações de internet. Your console will automatically search for nearby wireless network signals.
  4. Select the appropriate network name (SSID) from the list.
  5. Use the onscreen keyboard to enter the network's wireless password, if one is required.
  6. The connection will be tested. Once the test is complete, select OK.
    - If the connection test fails, an error code and message will appear. Search for our support article on the error code for steps to troubleshoot the connection.
  For more details, please see How to Connect to the Internet on Nintendo Switch 2
From the HOME Menu, select the icon for the software you wish to update without starting the game or application.
Press the + Button or – Button on your controller. The current version number will display under the software title.
Select Software Update followed by Over the Internet.

Latest update: Ver. 1.1.1 (Released August 31, 2026)

General

Changed it so that when returning a high ball, if you press the Flat shot button twice, it produces a Star Shot even if there is no Star Point there.
- Note: In Ver. 1.1.0, the situation above would result in a Powerful Flat.
Fixed a bug where Amps placed with the Amp Racket disappear before 12 seconds pass.

Past updates

Ver. 1.1.0 (Released July 15, 2026)

Added “GameShare” and ”Play via GameChat”

Added functionality to play the game with friends on GameChat who don’t have the game.
In “Play via GameChat,” you can play tennis matches with swing controls in addition to tennis matches with button controls and games in Mix It Up.
Note: A Nintendo Switch Online membership is required to use GameChat.

Added a New Fever Racket, the “Black Hole Racket”

The new “Black Hole Racket” Fever Racket has been added which causes a black hole when the Fever Shot hits the ground.
The black hole it causes has the effect of pulling players who are nearby into the black hole when it gets large.
Your HP Gauge will take damage if you get close to the black hole. If your HP reaches 0 due to the black hole and you are knocked out, you will be sucked into the black hole.
Black holes do not have the effect of drawing in incoming balls.

Added a New Court, the “Galaxy Court”

A new court has been added based on Super Mario Galaxy.
The court is made on a distant planet, and although the ball speed isn’t particularly fast, balls have a high bounce.
The court has a different shape depending on whether you are playing Free Play or Ranked Match matches, or in Special Match.

Added a New Special Match, “Galaxy Court Match”

Special “Galaxy Court Match” match rules have been added where you play on a spherical court made on a distant planet.
As the match progresses, one of three types of “Prankster Comets” will appear and will greatly change the strategy of the match.

Added New Colors for Luma

Added five new colors of Luma as playable characters.

Added Mario’s Classic Outfit

Added Mario’s classic outfit as a reward for collecting 5 medals.

Changes to Character Specifications

Changed specifications of some characters.

Character	Change(s)
Diddy Kong	Slightly increased the strength of shots. The ability to aim for the sidelines has been increased slightly. Fixed a bug where backhand Star Shots are weak.
Kamek	Increased the amount of spin on shots.
Dry Bones	Increased movement speed while running. Increased the ability to aim for the sidelines. The distance the ball can be hit back stably from has been increased slightly.
Pauline	Increased the ability to aim for the sidelines.
Bowser Jr.	Increased the ability to aim for the sidelines.
Baby Peach	The distance the ball can be hit back stably from has been increased.
Piranha Plant	The distance the ball can be hit back stably from has been increased slightly.
Yoshi	Fixed a bug where backhand Star Shots are weak.
Nabbit	Fixed a bug where forehand Star Shots are weak. Increased strength of backhand shots.
Dry Bowser	Increased strength of forehand shots.
Luigi	Increased vertical reach.
Baby Luigi	Increased vertical reach.
Toad	Fixed a bug where racket effects are displayed incorrectly. Because of this, the distance the ball can be hit back stably from has increased slightly.
Rosalina	Made it so you start running a little later when moving. Decreased the ability to aim for the sidelines. Made it so drop shots bounce more easily and travel farther.
Donkey Kong	Made it so you start running a little later when moving. Decreased the ability to aim for the sidelines.
Blooper	The ability to aim for the sidelines has been decreased slightly.

Changes to Fever Racket Specifications

Changed specifications of some Fever Rackets.

Racket Name	Change(s)
Mini Mushroom Racket	Made it so the effect of being shrunken goes away when a point is scored.
Ice Flower Racket	Shortened the amount of time you’re stopped for when you touch an Ice Ball. Decreased the maximum number of Ice Balls that appear from 5 to 4.
Star Racket	While its effect is active, the racket now gets rid of Mini Mushrooms from the Mini Mushroom Racket.
Bullet Bill Racket	Increased the ability to aim for the sidelines.
Freezing Racket	The conditions for the racket’s effect disappearing were either 15 seconds passing, or 10 rallies. This has now changed so there is no rally condition, and it only disappears when 15 seconds pass.
Amp Racket	The condition for the racket’s effect disappearing was 20 rallies. This has now changed to it disappearing when 12 seconds pass.
Metal Racket	While its effect is active, you now move slower. Your movement speed will now be the same as when your HP is low. If your HP is already low while the effect is active, your movement speed will not decrease. While its effect is active, the racket now gets rid of Mini Mushrooms from the Mini Mushroom Racket.
? Block Racket	Black Hole Shots have been added as a possible effect of its Fever Shots.

Changes to Shot Behavior

Adjusted the star point detection to make it easier to execute Star Shots.

Other Changes

In addition to the new “Galaxy Court”, you can now select “Academy Court (Grass),” “Academy Court (Hard),” and “Academy Court (Clay)” in court selection.
You can now select “Random” on the racket selection screen. If you select “Continue” when the match ends, you can compete with a different racket each match.
Added an option to disable pressing the A Button and B Button simultaneously to hit a flat shot.
Adjusted how modes are randomly selected for “Search All Modes” in for Ranked Match matches.
Added “Galaxy Court” as a Ranked Match court and adjusted the order courts appear in.
Made it so when you’re playing the “Racket Factory Match” special game, if you don’t have a FV Gauge bar filled when picking up a Fever Racket, your FV Gauge will fill up to 1 bar.
Several other adjustments and fixes have been made to improve the gameplay experience.

Ver. 1.0.3 (Released April 22, 2026)

We have strengthened countermeasures and readjusted the timing of when rankings are adjusted to address a bug where rankings are not adjusted on the 1st of each month at 5:00 P.M. (Pacific time) for Ranked Match.

Balance adjustments are planned for future updates.

Ver. 1.0.2 (Released March 26, 2026)

Changes to Character Specifications

Changed specifications of some characters.

Character	Change(s)
Diddy Kong	Slightly increased the strength of shots and serves.
Dry Bones	The distance the ball can be hit back stably from has been increased slightly. Slightly increased the ability to aim for the sidelines.
Baby Peach	The distance the ball can be hit back stably from has been increased slightly.
Toad	The distance the ball can be hit back stably from has been increased slightly.
Shy Guy	The distance the ball can be hit back stably from has been increased slightly.
Donkey Kong	The distance the ball can be hit back stably from has been reduced slightly. Made it so you start running a little later when moving. The motion extended significantly beyond the hit detection area while moving left or right, so his motion has been adjusted.
Petey Piranha	The distance the ball can be hit back stably from has been reduced slightly. Made it so you start running a little later when moving.
Rosalina	The distance the ball can be hit back stably from has been reduced slightly.
Wiggler	The distance the ball can be hit back stably from has been reduced slightly.