Jeonbuk Motors climbed to the top of the K-League, while Seongnam Chunma, Pohang Steelers and Chunnam Dragons grabbed wins on Sunday.
Brazilian signing Leonardo scored in the 93rd minute as Jeonbuk claimed a valuable point in a thrilling 3-3 draw at home to Jeju United.
Juju’s own Brazilian forward Jair made an ideal start for the visitors with a fourth-minute goal before Jeonbuk responded through Seo Sang-Min and Eninho on the stroke of half-time.
Jeonbuk’s hopes of victory were rocked in the dying stages as Juju striker Kang Su-Il netted a brace in the 84th and 90th minutes.
But Jeonbuk refused to lie down with Leonardo, who joined from Greek side AEK Athens in July, finding the equaliser to the delight of the home fans at Jeonju World Cup Stadium.
The draw moved Jeonbuk above FC Seoul on top of the table with a superior goal difference.
Elsewhere, Seongnam accounted for Sangju Sangmu 3-0 at Sangju Civic Stadium.
Brazilian forward Everton Santos struck in the 20th minute before Columbian livewire Javier Reina added a pair of second-half goals to put the result beyond doubt.
Pohang ran out 4-1 winners over Daegu courtesy of goals from Kim Won-Il, Hwang Jin-Sung, Park Sung-Ho and No Byung-Jun at the Pohang Steel Yard.
Song Je-Heon and Kim Yoo-Sung scored for the visitors, who remain in the bottom half of the table, while Pohang jumped to sixth.
Chunnam moved off the bottom of the table with an upset 1-0 win away to Gyeongnam.
Kim Young-Uk struck the decisive goal in the 84th minute at Changwon Football Center as Chunnam recorded just their sixth win of the season.