Kashiwa Reysol missed the chance to go top of the J.League after they lost 3-1 at home to relegation-threatened Omiya Ardija.
Omiya's Brazilian striker Rafael struck twice while
Kashiwa remain third, one point behind leaders Gamba Osaka who lost Saturday.
Rafael gave the visitors an early lead when he converted
Kashiwa pulled a goal back in the 63rd minute when Brazilian midfielder
Leandro took the spot-kick but Omiya goalkeeper
"I'm happy more with our win than my goals," said Rafael.
"Winning three points from Kashiwa has brought us confidence but it's important for us to play like this in the remaining games."
Kashiwa boss Nelsinho said: "We were too keen to score and forgot to defend in the first half. We improved our play in the second half but missed a penalty. If you don't work on defence, you end up with a result like we did today."
Elsewhere, bottom side Avispa Fukuoka continued to fight its uphill battle against relegation with a 2-1 win over Sanfrecce Hiroshima.
Hiroshima launched a late onslaught and went close with good attempts from
The win was just Avispa's fourth of the season and they are still 14 points from safety with seven games to go.
"We played in a passive manner in the first half," said Hiroshima boss
"We created so many chances in the second half but if you cannot score, you cannot beat your opponent."