Sepsi OSK Sfântu Gheorghe

Formation and ascent (2011–2017)

László Diószegi and Dávid Kertész decided to start a new football club in the summer of 2011. They picked the red and white colors to honor the football traditions of Sfântu Gheorghe and chose the name OSK as an acronym reminiscent of the defunct Olt Sport Klub. They wanted the name of the city to be also included in the club's name, so they chose the prefix Sepsi form Sepsiszentgyörgy, which is the Hungarian name of the city. In order to be able to enroll to Liga V they signed a collaboration agreement with Clubul Sportiv Școlar from Sfântu Gheorghe and formed a junior team. In their debut season, they won the Liga V competition of Covasna County and were promoted to Liga IV. They finished second in their first Liga IV season, eight points behind local Viitorul Sfântu Gheorghe. Valentin Suciu—who would eventually guide them to Liga I—was appointed manager in 2013. At the end of the 2013–14 campaign, Sepsi OSK effortlessly won the Liga IV competition of Covasna County and qualified for the Liga III promotion play-off, where they faced the champion of Vrancea County, Selena Jariștea. Following a 1–1 draw after extra time, they won 6–5 on penalties, being subsequently promoted to the third division. After a satisfying third place in the 2014–15 Liga III, promotion to Liga II was set as the objective for the next season. They won the 2015–16 Liga III and were promoted, which represented a notable performance for the team at the time. In…

Domestic

Leagues

Liga II Runners-up (2): 2016–17, 2025–26 Liga III Winners (1): 2015–16 Liga IV – Covasna County Winners (1): 2013–14 Runners-up (1): 2012–13 Liga V – Covasna County Winners (1): 2011–12

Cups

Cupa României Winners (2): 2021–22, 2022–23 Runners-up (1): 2019–20 Supercupa României Winners (2): 2022, 2023