CSKA 1948 Sofia claimed a memorable 1-0 away victory over city rivals CSKA Sofia in a tense Bulgarian First League derby on August 25, 2025. This result stands as a major upset and a historic moment for the younger club, defeating their more established namesake in their own stadium. The match was a cagey affair with both sides aware of the high stakes, but CSKA 1948 broke the deadlock with a clinical counter-attack in the second half. CSKA Sofia, the favorites, piled on the pressure in search of an equalizer but found the visiting defense in inspired form, blocking shots and clearing danger repeatedly. The final whistle sparked jubilant celebrations from the CSKA 1948 players and staff, marking a landmark win in the club's history and shaking up the early season dynamics in Sofia.