The Wii **does not support online matchmaking** (Nintendo Wi-Fi Connection shut down in 2014). Competition today is **local only** or via **homebrew revival**.
Requires: Homebrewed Wii (Letterbomb/Str2hax/BlueBomb) + USB Loader GX / WiiFlow.
altwfc / Wiimmfi DNS.Gather friends, plug in 4 Wii Remotes, play Mario Kart Wii. That's the Wii experience.