The Nations League match between Romania and Kosovo in Bucharest was abandoned at half-time after fans in the crowd started chanting "Serbia!".
Kosovo's players left the pitch after the chants, leading to the game being abandoned at 0-0, AFP reported.
Kosovo and Serbia do not play each other in UEFA and FIFA tournaments.
World football's governing body has launched a disciplinary procedure against Serbia at the 2022 World Cup after the team hung a flag in its dressing room depicting Kosovo as part of Serbia.
Kosovo joined FIFA and European confederation UEFA in 2016.
When Romania played in Pristina, it beat Kosovo 3-0. | BGNES