Arsenal FC secured a crucial 1-0 victory over Club Atlético de Madrid in their UEFA Champions League semi-final. The Gunners' French striker, Pierre-Emerick Aubameyang, scored the only goal of the match in the 35th minute, capitalizing on a mistake by the Atlético Madrid defense. This win gives Arsenal a vital away goal advantage ahead of the second leg, boosting their hopes of advancing to the Champions League final.