To celebrate the upcoming release of Mario Tennis Aces, My Nintendo has offered a Mario Tennis Aces Wallpaper reward. For just 50 Platinum points you get to get the wallpaper in 11 different resolutions.

Available sizes

Landscape format:
3840×2160・ 2560×1440・1920×1080・1366×768・1280×1024

Portrait format:
1440×2560・1242×2208・1080×1920・750×1334・720×1280・640×1136

You can head over here to get your wallpaper.