Universidad de Chile suffered a narrow 0-1 home defeat to Unión La Calera in a CHI LC match that kicked off at 05:00 on March 25, 2026. A solitary goal from the visitors was enough to secure all three points in a tightly contested affair at the Estadio Nacional. This result represents a significant setback for Universidad de Chile's campaign in the competition, while providing a crucial away victory for Unión La Calera. The match was decided by a single goal, with Unión La Calera's striker finding the net in the 67th minute following a well-worked counter-attack. Universidad de Chile, known as 'La U', dominated possession for large periods and created several promising chances, but were repeatedly thwarted by a resolute Calera defense and an inspired performance from the visiting goalkeeper. The home side's frustration grew as a late header from a corner kick sailed just over the crossbar in the final minutes of stoppage time. The key incident was a potential penalty appeal for Universidad de Chile in the first half, waved away by the referee after a brief consultation with the VAR monitor, a decision that drew loud protests from the home supporters. The match result sees Unión La Calera climb the league table with a valuable away win, boosting their points tally and positioning them for a potential playoff push. For Universidad de Chile, the failure to score at home leaves them with work to do in their remaining fixtures. Post-match, the Universidad de Chile manager expressed disappointment with the finishing, stating, "We controlled the game but lacked the final touch. We must be more clinical." The Unión La Calera coach praised his team's discipline, saying, "It was a perfect away performance. We defended as a unit and took our chance when it came." The starting XI for Universidad de Chile featured their typical attacking lineup, while Unión La Calera set up in a compact 4-4-2 formation to absorb pressure.