[5] He made his professional debut on 15 August, coming on as a second-half substitute for Rubén Martínez in a 2–1 away win against CD Lugo.
Dubasin was substituted on in the 72nd minute and it was the team's sixth goal, as Basel went on to win 8–0 against amateur club FC Bosporus.
[11] On 23 December, Basel announced that they were loaning Dubasin out to Real Oviedo, in the second highest Spanish league, until the end of the season and the loan-contract had a purchase option.
[12] On 26 July 2024, Dubasin joined fellow Spanish second division side Sporting de Gijón on loan for the entire 2024–25 season.
[14] He made his debut on 1 March, in an unofficial friendly against FCV Dender, however, was subsequently not used in any official international matches.