Serbia(U21) remained unbeaten in their last 4 encounters against Austria(U21) as the stronger side. Besides, they never lost any of their last 5 games with a great form.
On the other hand, Austria(U21)’s recent form is solid as well. However, the AH line is -0.50 for Serbia(U21), which is in favor of them.
Therefore the favorites should be trusted in this game.