In 2005–06 season, with Sevastian Iovănescu as head coach, Ovidenii won the Divizia D – Constanța County and the promotion play-off against Razim Jurilovca, the winner of the Divizia D – Tulcea County, 2–0 on neutral ground at Fetești. The lineup was composed of following players: Nicola - Robert Dulan ('75 Claudiu Moraru), C.Oprea, Meiroșu, Voiculescu ('70 Munteanu) - Della, Cristian Ciuciuleacă, Tăbăcaru, Tănase - L. Curt ('75 Stavrositu), Arău (65 Iancu).[4]
In Liga III, strengthened with some experienced players such as Marius Axinciuc, Norbert Niță and Constantin Borza or youngsters such as Vlad Achim, Cornel Ciobanu and M. Bejan, the team from Ovidiu has a very good start of the season being in the 2nd place after nine rounds, but Iovănescu leaves the club for the second team of Farul Constanța and the team was led until the end of the first part of the season by Axinciuc as a player-coach. From January 2007, Gheorghe Ciurea took over as manager for the rest of the campaign and led the team to finish the 2006–07 season on 11th place.[5][6]
At the end of the 2008–09 Liga III season, the club finished 2nd in its series and took part in the promotion playoff to the Liga II. However, the club lost and then withdrew, being enrolled for the 2009–10 season in the Liga IV.
^"Promovare fără emoții" [Promotion without emotions]. telegrafonline.ro. 18 June 2006. Archived from the original on 28 October 2020. Retrieved 4 October 2021.(in Romanian)
^"Sevastian Iovănescu a debutat cu dreptul" [Sevastian Iovănescu made his debut with the right]. telegrafonline.ro. 10 October 2006. Archived from the original on 19 October 2023. Retrieved 19 October 2023.(in Romanian)
^"CSO Ovidiu abordează returul cu Gică Ciurea" [CSO Ovidiu approaches the return with Gică Ciurea]. telegrafonline.ro. 28 February 2007. Archived from the original on 19 October 2023. Retrieved 19 October 2023.(in Romanian)