Altuğ Çelikbilek

Altuğ Çelikbilek (; born 7 September 1996) is a Turkish former professional tennis player. He has a career high ATP singles ranking of world No. 154 achieved on 21 February 2022. He also has a career high ATP doubles ranking of No. 224, achieved on 25 July 2022. He is currently the tournament director of the ENKA Open. Çelikbilek has won 2 ATP Challengers and 5 ITF singles titles and 11 ITF doubles titles.

Professional career 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.

Personal life 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.

ATP Challenger and ITF Tour finals

Singles: 13 (9 titles, 4 runner-ups) LegendATP Challenger Tour (3–1)ITF Futures/WTT (6–3)Finals by surfaceHard (9–4)Clay (0–0)

Doubles: 28 (13 titles, 15 runner-ups) LegendATP Challenger Tour (1–0)ITF Futures/WTT (12–15)Finals by surfaceHard (9–11)Clay (4–3)Grass (0–0)Carpet (0–1)