1. FSV Mainz 05 delivered a powerful 4-1 victory over Rosenborg in the UEFA Europa Conference League playoff round at the MEWA ARENA on August 29, 2025. The German Bundesliga side put one foot in the group stage with an emphatic performance against the Norwegian giants. Mainz dominated proceedings from the outset, using their high-pressing style to force errors and create numerous chances. They built a commanding lead by halftime and continued to add to their tally in the second period. Rosenborg managed to grab a consolation goal, but it did little to dampen Mainz's dominant display. The comprehensive result gives Mainz 05 a massive advantage for the second leg in Trondheim, making Rosenborg's task of progression appear extremely difficult.