Urawa Reds remained unbeaten in the J.League on Saturday after a 2-0 win away at Albirex Niigata.
Tomoaki Makino put the visitors at Tohoku Denryoku Big Swan Stadium ahead on six minutes, before the three points were made sure of when Marcio Richardes scored in the second minute of injury time.
The result left Niigata bottom of the Japanese top flight, while the Reds have 10 points from four matches to occupy a top-four spot.
Joining them in that category is Cerezo Osaka, who were held to a 1-1 draw at home to Vegalta Sendai.
Jubilo Iwata and Sagan Tosu played out a thrilling 3-3 draw, with Yohei Toyoda scoring a hat-trick for Sagan.
Sanfrecce Hiroshima smashed a poor Shimizu S-Pulse away from home 4-0, with Hisato Sato scoring a brace for the rampant winners.
Omiya Ardjia and Kashiwa Reysol both scored 3-1 home wins over Kashima Antlers and Oita Trinita respectively.
Kawasaki Frontale denied a breakthrough win for Ventforet Kofu in a 1-1 draw, with the home side scoring in the 88th minute via Yusuke Igawa.
Nagoya Grampus got past Shonan Bellmare 2-0, chalking up back-to-back wins to give them seven points through four.