Ahead of the Wednesday, November 11, 2026 clash at Home Arena (Germany), the build-up to Once Caldas vs Atletico Nacional in the Colombia. Cup. Semi-finals. First leg is reaching fever pitch. Kick-off at 02:30. Harm Osmers will referee. Weather outlook: Partly cloudy, 18°C. Müller remains questionable for Once Caldas; Fischer is a doubt for Atletico Nacional. History: Atletico Nacional 4 - 1 Once Caldas (2023). Atletico Nacional 4 - 0 Once Caldas (2022). Atletico Nacional 4 - 2 Once Caldas (2024). Atletico Nacional 0 - 1 Once Caldas (2021). Atletico Nacional 2 - 3 Once Caldas (2024). Score forecast: 0:1.