Pirin Blagoevgrad began their season with a narrow 1-0 home defeat to Lokomotiv Gorna Oryahovitsa in the Bulgarian Vtora Liga on August 17, 2025. A single goal was enough to separate the sides in a tightly contested match. The only goal of the game came late in the first half, with Lokomotiv Gorna Oryahovitsa capitalizing on a defensive lapse to take a lead they would not relinquish. Pirin pushed for an equalizer in the second half, creating several half-chances, but they found the visiting goalkeeper and defense in resilient form. The match result was a frustrating start at home for Pirin Blagoevgrad, while Lokomotiv Gorna Oryahovitsa celebrated a valuable away win and a clean sheet to open their campaign.