A youth product of Beşiktaş, İlkhan began training with their senior team in 2021.[2] He made his professional debut with Antalyaspor in a 1–1 (4–2) 2021 Turkish Super Cup penalty shootout win over Antalyaspor 5 January 2022, coming on as a late sub in the 80' minute.[3] He played 11 matches and scored 1 goal in Süper Lig.
Torino
On 10 August 2022, İlkhan signed with Torino in Italy.[4] On 13 August 2022, he made his Serie A debut against AC Monza. He was late substitute for 2-1 win away game.
Sampdoria (loan)
On 31 January 2023, he was loaned by Sampdoria.[5] On 27 February 2023, he made his debut with the team against SS Lazio and 1-0 lost in away game.