Umebura F.A.T. (ウメブラ FAT) was a Japanese Super Smash Bros. for Wii U national tournament organized by Ayuha in Ota, Tokyo on September 21st to 22nd, 2015. It stands for Umebura First Anniversary Tournament, and is a large-scale commemorative tournament of the Umebura series's one-year anniversary. It was the first non-exhibition Smash 4 tournament in Japan to feature top North American competitors such as Nairo, Ally and Vinnie. It was livestreamed on Twitch by SHI-Gaming.
East Japan vs. West Japan crew battle (side event)
Japan vs. World crew battle (side event)