Omiya Ardija lost 2-1 to Yokohama Marinos Saturday but remained top of the J.League after their closest challengers Urawa Red Diamonds crashed to a 4-0 defeat to Kawasaki Frontale.
Brazilian striker Marquinhos put Yokohama ahead in the 22nd minute, before Manabu Saito, who had set up Marquinhos' goal, added another. Omiya scored a stoppage-time consolation through Tomoki Imai.
Urawa were thrashed thanks to goals from Japanese international Kengo Nakamura, Brazilian Renato, Masaki Yamamoto and Yoshito Okubo.
Yojiro Takahagi scored a goal five minutes into injury time to give Hiroshima a 1-0 win over Osaka, while Kashima succumbed to Kashiwa Reysol 2-1, when Brazilian striker Cleo clinched the winner late on.
Sanfrecce Hiroshima reached second place in the table after Yojiro Takahagi's last-gasp goal sealed a 1-0 victory over Cerezo Osaka. Takahagi waited until the 90th minute to fire the only goal of the game and lift Sanfrecce to within three points of leaders Omiya Ardija.
In the day's other games, FC Tokyo whipped Albirex Niigata 3-0, Shimizu S-Pulse defeated Oita Trinita 3-1, Shonan Bellmare downed Ventforet Kofu 1-0, Nagoya Grampus beat Sagan Tosu 3-2, and Vegalta Sendai drew with Jubilo Iwata 1-1.