 Despite being only 17, Ilhan has been invited to train with the Singapore national under-22 and the senior team in 2019.Ilhan plays as a attacking midfielder, noted for his footwork, coordination and composure as cited by Singapore football legend, Noh Alam Shah.In the 2020 season, he was given the role as a false 9 as he "has really good technique and good reading of the game", pointed out by head coach Nazri Nasir.