In the Asian Champions League, after Ulsan, Jeonbuk and Pohang reached the quarterfinals, and three K-League teams joined the quarterfinals.
Jeonbuk, who met Thailand's Pathum, pushed hard and scored the opening goal in extra time in the first half.
Gustavo cut the opponent's net with his head.
Jeonbuk, who could not score an additional goal despite the wave offensive, was rather hit in the 31st minute of the second half, but Tirasil Dangda allowed an equalizing header and was taken to extra time.
There was no goal in extra time, so the two teams went to a penalty shootout.
He made a save by blocking both shots from Patum's third and fourth kickers, leading to a 4-2 victory.
With this, Jeonbuk, the winning team in 2016, will challenge for the first time in five years.
Pohang also defeated Japan's Cerezo Osaka and advanced to the quarterfinals.
In the 25th minute of the first half, Shin Jin-ho's right corner kick hit the opposing defender and flowed backwards, and Lee Seung-mo quickly rushed in and pushed the ball in with his right foot to score the winning goal.
Pohang, who kept the 1-0 victory to the end, secured a ticket to the quarterfinals for the first time in 7 years, and the quarterfinal draw will be decided tomorrow (17th) by lot.