The white and blacks finished 7th in the 2010–11 season and secured a UEFA Europa League participation for the following season, its first in history. Gaz Metan reached the 2011–12 UEFA Europa League play-off round by eliminating KuPS of Finland (Agg. 2–1) in the second round and Mainz of Germany (Agg. 4–3 pen.) in the third round. Gaz Metan lost in the play-offs to Austria Wien (Agg. 2–3). Domestically, Gaz Metan reached the Romanian Cup semi-finals in the 2011–12 season but was eliminated (Agg. 2–2 away goals) by the future cup winner Dinamo București and finished on 13th place in the league. In the next two seasons, the team consolidates its first league-team status through the following results: 2012–13 – 10th and 2013–14 – 13th.