Girls & Panzer: This is the Real Anzio Battle!, Girls und Panzer OVA, Girls und Panzer: This is the true battle of Anzio! (Girls & Panzer: Kore ga Hontou no Anzio-sen Desu!)
Following Oorai's victory over Saunders, the school's next opponent is Anzio. This is an OVA which covers the battle of Oorai versus Anzio, which was not fully shown in the regular anime series.