The club was formed in 1923, during an assembly in the Park restaurant in Kragujevac, under the name Mladi Radnik (). The first club president was Aleksandar Ratković. The first match played Mladi Radnik against local club SK Triglav and lost 2–0. The first visitor for a match against Mladi Radnik was SK Radnički from Belgrade. The match was played on 16 August 1925, and SK Radnički won 5–0. One week later, the club won its first match against Radnički Niš with 7–1.