Officers' Sports Club Atletik-Slava 1923 (Bulgarian: Офицерски спортен клуб „Атлетик-Слава 1923“, lit.

In the play-offs, AS-23 defeated Etar Veliko Tarnovo 5–0, Sila Yambol 7–0, Napredak Ruse 3–1 and won the final against Shipchenski Sokol 3–0.

In the 1940–41 season, some of the key players of AS-23 were called into the army and the club finished 5th in the Sofia Elite Division, however they won the newly created tournament, the Tsar's Cup, by defeating Napredak Ruse 4–2 in the final.

The club experienced financial difficulties during the early 1940s, but the anti-communist Brannik organization provided financial help, while the Ministry of War procured the sports kits, allowing the club to remain afloat.

[1][2] AS-23's stadium, known as Atletik Park, was at the place of the current Stadion Balgarska Armia.