FC Thun secured a convincing 4-1 victory over FC Aarau in a Swiss club friendly on July 19, 2025. The match, a clash between two Challenge League sides, saw Thun dominate from start to finish with a potent attacking performance. Thun established a strong lead in the first half, capitalizing on defensive errors from Aarau. They extended their advantage after the break, with Aarau's lone goal serving as nothing more than a consolation. This result gives Thun a major psychological edge ahead of the new league season, especially against a direct rival. Aarau will need to review their defensive performance closely after conceding four goals in a pre-season fixture.