 On 29 August 2002, Jelenković scored his first-ever European goal in a 3–1 away win over Lithuanian Atlantas Klaipėda in their 2002–03 UEFA Cup qualifying round second leg tie.Three weeks later, he scored an own goal in a 1–0 home loss against Panathinaikos in the first round of the tournament.In 2006, Jelenković was on the radar of then Bulgarian manager Hristo Stoichkov as a prospective candidate for the national team, but eventually did not meet the eligibility criteria because of having appeared in matches for the FR Yugoslavia U-21.