Rafael opened the scoring on the stroke of half-time before Mato Neretljak and Lee Chun-soo struck in the second half to seal the win for Omiya, who climb out of the bottom three as a result of the victory.

Shimizu, meanwhile, are five points adrift of leaders Nagoya Grampus, who travel to Montedio Yamagata tomorrow.

Elsewhere, second-placed Cerezo Osaka were held to a 1-1 draw at home to Sanfrecce Hiroshima.

Hiroshi Kiyotake opened the scoring for Cerezo in the 57th minute but Tomoaki Makino equalised seven minutes later.

Kashima Antlers edged Vegalta Sendai 1-0 with Koji Nakata scoring the game's only goal five minutes before half-time.

The win moves Kashima up to third in the standings.

Gamba Osaka defeated Albirex Niigata 2-1, Kyoto Sanga eased to a 3-0 win over Vissel Kobe, Yokohama F Marinos beat Kawasaki Frontale 3-1 and Jubilo Iwata secured a 3-2 win over Shonan Bellmare.