Atert Bissen pulled off a major surprise in the Luxembourg National Division, defeating powerhouse F91 Dudelange 2-0 at home on Sunday, February 15, 2026. This stunning result served as a significant upset in the title race. Bissen, playing with great intensity, took a shock lead midway through the first half from a corner. Dudelange, expected to dominate, struggled to find their rhythm and were caught on the break in the second half, with Bissen doubling their lead to seal a famous victory. The home side's defensive discipline was exceptional, frustrating Dudelange's attackers throughout. The defeat was a major blow to Dudelange's championship ambitions, potentially opening the door for their rivals, while for Atert Bissen, it was a landmark win against one of the league's giants. The Bissen coach hailed it as the perfect performance from his team.