Join the Mario Tennis Fever Open October 2026

We hope you’re excited to show us your chops on the court, because the Mario Tennis Fever Open October 2026 Tournament is coming up on Oct. 24! The competition begins with an initial Bracket Round starting at 10:00 a.m. PT, and the Top 4 will be livestreamed from 1:00 p.m. PT until we have a champion.

The Grand Prize winner will receive a trophy, a duffle bag, and more! Check out the details below for more information.

Tournament Overview

Players will compete in a One-on-One, Best-of-3, Single Elimination Bracket until four players remain. The Top 4 will then face off in a livestreamed Double Elimination Bracket. Both brackets will have the following rules:

• Characters: All characters allowed

• Fever Rackets: All Fever Rackets allowed

• Match Type: Singles

• Fever Rackets: One

• Match Length: Extended Play

• Sets: 1

• Games: 2

• Tiebreaker: Yes

• Public: No

• Court: Stadium Court (Grass)

• Ball Type: Standard Ball

How to Register

The registration period is from October 5, 2026 at 9:00 a.m. PT through October 24, 2026 at 9:30 a.m. PT. During the Registration Period, all players must register through Battlefy to participate. Visit battlefy.com/nintendovs/mario-tennis-fever and follow the links and instructions to complete and submit the registration form, which may include, among other things, your full first and last name, home address (no P.O. Boxes), phone number, date of birth, contact email address, in-game name, 12-digit Nintendo Switch Friend Code, Nintendo Account email address, and Nintendo Account User Support Number.

Prizes:

One Grand Prize winner will receive:

• Mario Tennis Fever Grand Prize Trophy

• NintendoVS Duffle Bag

• Mario Tennis Fever Water Bottle

• Mario Tennis Fever Convertible Cinch

• Mario Tennis Fever Sweatband

• Mario Tennis Fever Hand Towel

• Mario Tennis Fever Visor

One First Prize winner will receive:

• Mario Tennis Fever First Prize Trophy

• NintendoVS Duffle Bag

• Mario Tennis Fever Water Bottle

• Mario Tennis Fever Convertible Cinch

• Mario Tennis Fever Sweatband

• Mario Tennis Fever Hand Towel

• Mario Tennis Fever Visor

One Second Prize winner will receive:

• Mario Tennis Fever Second Prize Trophy

• NintendoVS Duffle Bag

• Mario Tennis Fever Water Bottle

• Mario Tennis Fever Convertible Cinch

• Mario Tennis Fever Sweatband

• Mario Tennis Fever Hand Towel

• Mario Tennis Fever Visor

One Third Prize winner will receive:

• NintendoVS Duffle Bag

• Mario Tennis Fever Water Bottle

• Mario Tennis Fever Convertible Cinch

• Mario Tennis Fever Sweatband

• Mario Tennis Fever Hand Towel

• Mario Tennis Fever Visor

Four Fourth Prize winners will receive:

• Mario Tennis Fever Water Bottle

• Mario Tennis Fever Convertible Cinch

• Mario Tennis Fever Sweatband

• Mario Tennis Fever Hand Towel

• Mario Tennis Fever Visor

NO PURCHASE NECESSARY. Open to legal residents of the US (including D.C.) and Canada who are age 13+ and Mexico who are age 18+ and have access to a Nintendo Switch 2 system, Mario Tennis Fever game, Nintendo Account, reliable high-speed internet connection, and any Nintendo Switch Online membership. Tournament begins at 10:00 AM PT on 10/24/2026 and ends at approximately 4:00 PM PT on 10/24/2026. To participate, players must register at battlefy.com/nintendovs/mario-tennis-fever during the registration period which begins at 9:00 AM PT on 10/5/2026 and ends at 9:30 AM PT on 10/24/2026. All potential winners will be notified within 10 days following the conclusion of the Tournament. Eight (8) prize packages will be awarded in total. There will be 1 Grand Prize winner, 1 First Prize winner, and 1 Second Prize winner who will each receive 1 trophy, 1 NintendoVS duffle bag, 1 Mario Tennis Fever convertible cinch, 1 Mario Tennis Fever visor, 1 Mario Tennis Fever water bottle, 1 Mario Tennis Fever hand towel and 1 Mario Tennis Fever sweatband (ARV $468.93 USD each). There will be 1 Third Prize winner who will receive 1 NintendoVS duffle bag, 1 Mario Tennis Fever convertible cinch, 1 Mario Tennis Fever visor, 1 Mario Tennis Fever water bottle, 1 Mario Tennis Fever hand towel and 1 Mario Tennis Fever sweatband (ARV $168.94 USD). There will be 4 Fourth Prize winners who will each receive 1 Mario Tennis Fever convertible cinch, 1 Mario Tennis Fever visor, 1 Mario Tennis Fever water bottle, 1 Mario Tennis Fever hand towel and 1 Mario Tennis Fever sweatband (ARV $88.95 USD each). Total prize ARV $1,931.53 USD. Skill of participating players determines the winner(s). See Official Rules for details and restrictions. https://battlefy.com/nintendovs/mario-tennis-fever. Sponsor: Nintendo of America Inc., 4600 150th Ave NE, Redmond, WA 98052.