Thun pulled off a major upset by defeating FC Zurich 4-2 in a high-scoring Swiss Super League encounter on Saturday, December 21, 2025. This thrilling victory for the underdogs provides a massive boost to Thun's survival hopes and damages Zurich's aspirations at the top of the table. In a breathtaking first half, Thun raced into a shocking 3-0 lead, capitalizing on defensive errors and showing lethal finishing. Zurich pulled two goals back early in the second half to set up a nervy finale, but Thun sealed the memorable win with a fourth goal on the break in the dying minutes. The match was end-to-end, with both goalkeepers making several important saves. The result sees Thun climb out of the relegation zone, while Zurich drops crucial points in the title race. The Thun coach called it the "performance of the season," and the Zurich manager was critical of his team's "catastrophic" defensive display in the first half.