Former Japan national team defender Naoki Matsuda collapsed at training on Tuesday after suffering a cardiopulmonary arrest.
J.League table toppers Kashiwa Reysol slipped to a 3-2 defeat at Kawasaki Frontale, despite battling back from two goals down.
Gamba Osaka moved up to fourth in the J.League after coming from behind to beat Omiya Ardija 3-2.
Kashiwa Reysol snatched a last-gasp winner against fourth-placed Vegalta Sendai to keep their one-point lead at the top of the J.League standings intact.
Gamba Osaka forward Takashi Usami has confirmed he is to join Bayern Munich on a six-month loan deal.
Kashiwa Reysol moved four points clear at the top of the J.League with a comfortable 4-1 win at Vantforet Kofu.
J.League leaders Kashiwa Reysol suffered only their second defeat of the season, going down 3-0 at home to Jubilo Iwata.
Cerezo Osaka picked up their first win in the J. League this season by beating hosts Avispa Fukuoka 3-0 on Saturday, ending their seven-game losing run.
Japan coach Alberto Zaccheroni wants his players to move abroad to play football at a higher level before the 2014 World Cup in Brazil.
Vegalta Sendai extended their unbeaten run to seven games with a 1-0 win at Montedio Yamagata to move up to second place in the J.League.