The Soccer Taiken Room (サッカー
It's held inside the Soccer Museum from Future City. The field first appeared when Raimon fought against Soccer Robots.
In the anime, there was held a soccer battle here between Matsukaze Tenma, Tsurugi Kyousuke, Shindou Takuto, Nishizono Shinsuke and Nishiki Ryouma against five soccer robots to free themselves from the museum.
In the game, there was held a soccer match here instead of a soccer battle.