The beginning The club was founded in 1945 as
Metalac but it is considered to be the successor of
BSK, one of the most prominent football clubs in
Kingdom of Serbia and later
Kingdom of Yugoslavia. It was also the most successful club between 1923 and 1941, with five national champion titles. BSK played its first game on 13 October 1911 against
Šumadija from
Kragujevac and won 8–1. , 1955–56 European Cup top scorer, came to the club from Bayern. In 1945, after
World War II, the club was established under the name Metalac by some former members of BSK. This club carried the name until 1950, when it was renamed to BSK, but in the 1957 the club merged with
TSK Šumadija to form
OFK Beograd (
Serbian Latin: Omladinski fudbalski klub, ).
The golden era A two-decade-long "Golden Era" began when the club won the Yugoslav Cup in
1953. Three other Yugoslav Cup wins followed, in
1955 and the
1961–62 and
1965–66 seasons. The club was the
Yugoslav First League runner-up twice, in 1954–55 and 1965–66. In the meantime, the club had changed its name once again. In 1957, the club was named OFK Beograd, once again in an attempt to attract spectators to the stadium, especially younger ones who often opted for either Red Star or Partizan. In that time, the players played elegant football and therefore got the nickname of
"Romantičari". won the
European Golden Shoe in 1971. , All time best scorer of the Yugoslav national league The 1960s and the first half of the 1970s were years of European glory. OFK Beograd had participated eight times in European competitions. Their biggest success came in the
1962–63 European Cup Winners' Cup season, playing in the semi-final against
Tottenham Hotspur, eventual champions. In the following ten years, teams such as
Napoli,
Feyenoord,
Panathinaikos,
Bologna FC 1909,
FC Twente and
Juventus also lost to OFK Beograd.
The silent fall The
Romantičari were not able to take advantage of their success on the domestic and European scene. After several successful seasons, a sudden fall occurred. During the 1980s, the club often changed leagues from the First Division to the Second.
Modern era In the summer of
2003, they were back in European competition. They played in the
UEFA Intertoto Cup. OFK defeated Estonian side
Narva Trans at home by the score of 6–1, but
UEFA cancelled the result because of a smoke bomb being thrown on the field during the game. Consequently, only the second leg result would count. OFK Beograd won in
Tallinn with a score of 5–3. They were eliminated in the second round by Czech club
1. FC Slovácko, with a score of 4–3. , with whom OFK Beograd reached the national cup final The club was back on the European stage in 2004. They started playing in the second round of the Intertoto Cup and eliminated
Dinaburg. In the third round, OFK went on to play against
Tampere United. OFK Beograd defeated their Finnish opponents and went on to play in the semifinals. They were eliminated by
Atlético Madrid losing the first leg 1–3 at home with
Aleksandar Simić scoring for OFK and
Fernando Torres,
Diego Simeone and
Ariel Ibagaza scoring for Atlético, losing the second leg 2–0 in Madrid meant OFK were eliminated 1–5 on aggregate. Even though OFK were eliminated it was seen as an honour and a return to the club's glory days to have a European powerhouse such as Atlético play at
Omladinski Stadium with world class talents such as Torres and Simeone. In 2005, the club entered the
UEFA Cup in the second round of qualifying losing to
Lokomotiv Plovdiv on the
away goals rule. In 2006, the club faced French side
Auxerre in the
UEFA Cup. In the first game, in Belgrade, OFK defeated their opponents by the score of 1–0 a goal from centre-back
Miloš Bajalica in the 31st minute of play proving the difference, a great result considering Auxerre was then one of France's strongest clubs. In the second game OFK Beograd lost 5–1 with the result standing at 2–1 for Auxerre with ten minutes to play, a result which would see OFK Beograd eliminate Auxerre. However, the young OFK team capitulated in the last ten minutes of play conceding three goals and were eliminated 5–2 on aggregate. In the 2010 Europa League, OFK beat
Torpedo Zhodino of Belarus 3–2 on aggregate and went on to play
Galatasaray where they lost 7–3 on aggregate, coming back from two-nil down to draw 2–2 with late goals been scored by
Miloš Krstić and
Nenad Injac in Turkey against Galatasaray but ultimately losing the second leg 1–5 at home with
Danilo Nikolić scoring the only goal for OFK. OFK Beograd were relegated from the
Serbian SuperLiga after finishing fifteenth in the
2015–16 season. The next season saw relegation from the
2016–17 Serbian First League after finishing bottom of the table. The club played in the
Serbian League Belgrade in the 2017–18 season (their first season in the Serbian third tier), finishing in second place behind
Žarkovo who were promoted to the Serbian second tier. In November 2018 the "Klub prijatelja OFK Beograda" was formed (trans. "Club of Friends of OFK Beograd") with the goal of saving the club from becoming extinct. The KPO is made up of fans who want to see OFK return to its former glories competing at the very top of the first tier of Serbian football. , Eredevisie champion with Feyenoord In their second year in the Serbian third division, OFK finished in fifth position on 46 points, with
Grafičar being promoted to the second division. OFK did however manage to win the Belgrade Cup. In the 2019–20 season, OFK commenced their third successive season in the Serbian third tier with hiring former accomplished player
Stevica Kuzmanovski as coach. On 25 September 2019, in the last 32 of the Serbian Cup, OFK faced their city rivals FK Rad and won 3–2 with two goals from Andreja Lazović and one goal from Stefan Janković. This was considered quite a success as OFK where at this time in the Serbian third division and FK Rad in the Serbian top division the SuperLiga.
COVID-19 Pandemic resulted in the season coming to a halt for clubs in the third division Belgrade league, OFK finished the season in a disappointing 3rd place. The eventual champions were
IMT who were promoted to the Serbian First League (Second Division of the Serbian football pyramid), another hammer blow for OFK as a 4th consecutive season in the Serbian 3rd tier would come in season 2020–21 for a club barely surviving financially. At the conclusion of the 2022–23 season, OFK finished in first place in the Serbian League Belgrade, securing promotion to the Serbian First League for the
2023–24 season. On 14 August 2024, OFK was renamed to
OFK Beograd Mozzart Bet for sponsorship reasons. ==Honours==