CD Leganés suffered a disappointing 1-0 home loss to Castellón in the Spanish Segunda Division on September 30, 2025. A second-half goal from the visitors condemned Leganés to a defeat that dented their early-season momentum. The match was a cagey affair for long periods, with both teams cautious in their approach. The deadlock was broken when Castellón capitalized on a rare defensive error from Leganés, slotting home from inside the box. The home side pushed forward in search of an equalizer but found it difficult to break down a resolute Castellón defense, with their efforts often ending in blocked shots or comfortable saves. This result saw Leganés drop points in a match they were expected to win, while it provided a massive confidence boost for newly-promoted Castellón. The Castellón manager hailed a perfect tactical performance, and the Leganés coach admitted his team lacked creativity in the final third.