"Arsenal" was undefeated in the 2025/26 Champions League season.
Idman.Biz reports that Mikel Arteta's team won all eight of their possible games in the main stage, scoring the maximum possible points overall.
In the 1/8 finals, 1/4 finals and 1/2 finals, the "Gunners" won three victories and drew three times. In the Champions League final, "Arsenal" lost to PSG only on penalties – 1:4. The score in regular and extra time was 1:1.