US Mondorf-les-Bains pulled off a notable 2-1 away victory against league leaders Swift Hesperange in the Luxembourg National Division on December 4, 2025. The result served as a major upset, shaking up the title race and providing Mondorf with a landmark win. Hesperange, the favorites, took an early lead and seemed poised for another routine win. However, Mondorf displayed tremendous character to fight back, equalizing before halftime. The visitors then completed the turnaround with a second-half winner, stunning the home crowd. This victory showcased the competitive nature of the Luxembourg league, proving that any team can triumph on their day. For Mondorf, it was a famous three points, while Hesperange's title charge suffered an unexpected setback.