won two Cup finals and losing one on aggregate since the 2008–09 season. During the 2010–11 season, Željezničar won their fourth cup of Bosnia and Herzegovina. They advanced to the final beating Široki Brijeg on 3–0 aggregate. In the final they clash with rivals from the former Yugoslav League, Čelik Zenica. The first game was played at Grbavica Stadium which finished 1–0 in favor of the home team. The second game was played at Bilino Polje Stadium which Željezničar won 3–0 and won 4–0 on aggregate. That concluded Željezničar's season in which they were automatically gave to compete in the UEFA Europa League. Željezničar were able to celebrate their 90th birthday with a trophy. In the season 2011–12, Željezničar won their 6th title in the team's existence. They won the title with three rounds left in the competition. They repeated the successful campaign in cup competition also when they won the title with 1–0 on aggregate against Široki Brijeg. That was the first double for any club since unified Bosnia and Herzegovina football competitions started in 2002–03 season. In the 2012–13 season, Željezničar won their 7th title in the club's history, 6th Bosnian one, once again under the guidance of Amar Osim. Between 2013 and 2018, Željezničar had a trophy drought as it did not win any trophies in that period, even though they could have on multiple occasions as they finished 2nd on three occasions, every time just missing out on the title. The club has had a poor final series results (post regular season); finishing second during competitions for seasons 2016–17 (by single point; being first until the final two rounds) and 2017–18 surrendering titles to rivals HŠK Zrinjski Mostar, who were coached by Blaž Slišković, both times. Further disappointments came when club failed to acquire license to compete in 2019–20 European competitions. The trophy drought ended in May 2018, as the club won the 2017–18 Bosnian Cup under the guidance of then manager Admir Adžem. In the period from October to December 2018, the club lost 5 league matches in a row, the worst in the club's history. That made manager Milomir Odović (in 2003–04 and 2015 made great results with Željezničar) resign after the 4th consecutive loss. Their 5th consecutive loss came on 2 December, against Široki Brijeg in the last game of the first part of the season. In that game, Adin Mulaosmanović and Ismet