Freiburg, where Jeong Woo-young started, was completely defeated in the first Bundesliga match after the winter break.
Freiburg lost 6-0 to Wolfsburg in the Bundesliga round 16 away match held in Wolfsburg, Germany on the 21st local time.
Jung Woo-young, who returned to his team after the 2022 Qatar World Cup and prepared for the league to resume, played 57 minutes as a starter, but could not prevent the team's defeat.
Freiburg is 4th in the league (30 points), while Wolfsburg are in 6th place (26 points) after winning 5 matches in a row.
Freiburg got off to a shaky start, conceding the opening goal to Patrick Bimmer in the first minute, then collapsed in the 28th and 37th minutes with Jonas Wien scoring back-to-back goals.
Even in the second half, they failed to provide an opportunity for a reversal and lost 3 more goals.
Lee Jae-sung's team, Mainz, drew 1-1 against Stuttgart.
Lee Jae-sung, who scored 2 goals and 1 assist in the regular season this season, replaced Marcus Ingvartsen in the 20th minute of the second half and played until the end of the game.
Stuttgart took the lead with Seru Girassi's goal in the 36th minute of the first half, but Mainz got a penalty kick 4 minutes later.
Lee Jae-seong could not raise the attack point.
(Photo = Getty Image Korea)