A veteran of two World Cups, Aziz Behich already knows how he'll feel when the Australian national anthem plays ahead of the Socceroos' opening match against Turkey.
But he's not sure what to expect when the Turkish equivalent rings out at Vancouver's BC Place on Saturday (Sunday AEST).
Melburnian Behich is of Turkish-Cypriot descent and grew up watching the Turkish Super Lig.
The left-back spent the majority of his club career in Turkey, playing predominantly for Bursaspor and winning the Super Lig with Istanbul Basaksehir but has never played against the country of his roots.
"It's going to be a little bit extra special playing against Turkey," Behich told AAP.
"I've got a few mates in their final squad and obviously my background and my parents that are going to the stadium as well.