He has a career high ATP singles ranking of world No.

[2] He made his Grand Slam debut at the 2021 French Open in the qualifying competition.

Çelikbilek has represented Turkey at Davis Cup, where he has a win–loss record of 5–7.

In December 2024, he suffered a stroke whilst competing at the ITF M25 in Monastir, shortly afterwards he had to have surgery to remove a brain tumour.

This biographical article relating to Turkish tennis is a stub.