Deportes Rengo suffered a heavy 4-1 home defeat to San Antonio Unido in the Chilean Segunda División on September 7, 2025. The visitors put on a clinical finishing display, capitalizing on their chances to run out comfortable winners. San Antonio Unido took an early lead and never looked back, adding a second goal before halftime to take firm control of the match. Deportes Rengo managed to pull a goal back early in the second half, briefly raising hopes of a comeback. However, San Antonio Unido quickly extinguished those hopes, scoring two more goals to put the match result beyond doubt. This comprehensive away victory would have been a major statement for San Antonio Unido, while leaving Deportes Rengo with significant defensive issues to address.