He is on the books of Union Kleinmunchen Women and wears shirt number 10. At international level, he features for Austria Women U19. His main role on the pitch is Forward.

During the Austrian Frauen Bundesliga 2025-2026 campaign, Antonela grgic made 13 appearances, scoring 1 goals and adding 0 assists. He averaged 0.1 goals per match from 0 shots, with 0 on target.