Jung Woo-young started as a right winger in the away match against Borussia Dortmund in the 23rd round of the 2024-2025 Bundesliga held at Germany's Signal Iduna Park at 2:30 a.m. (Korea Standard Time) on the 23rd. Union collapsed, overwhelmed by Dortmund's strong offense, with a final score of 0-6.

Serhou Guirassy and Pascal Gross played starring roles as Borussia Dortmund recorded their first Bundesliga victory under Niko Kovac.

Union Berlin were beaten 2-1 by Borussia Mönchengladbach on 15 February, and while the scoreline suggested a close contest, they struggled to threaten their opponents. Their only clear-cut chance came in the 63rd minute when Andrej Ilić converted a penalty to reduce their two-goal deficit.