 After coming on as a second-half substitute against Debreceni VSC's under-19 side, Ganbayar scored his first league goal for the club six minutes later in the eventual 1–3 defeat.Ganbayar scored his first brace in the team’s next match, a 5–1 victory over Ferencvárosi TC.In 2013, Ganbayar competed in the qualifying stages of the 2014 AFC U-14 Championship.