| ITF M25 Sharm El Sheikh | 04/10 11:40 | 25 | Cem Ilkel v Matt Hulme | 6-1,3-6,2-6 | |
| ITF M25 Sharm El Sheikh | 04/04 09:30 | 26 | [412] Cem Ilkel v Petr Nesterov [490] | 3-6,2-6 | |
| ITF M25 Sharm El Sheikh | 04/03 10:45 | 25 | Cem Ilkel v Yusuf Khamis | 6-4,7-6 | |
| Challenger Hamburg | 03/12 12:35 | 25 | Cem Ilkel v Michael Agwi | 0-6,2-6 | |
| Challenger Lugano | 03/07 19:25 | 26 | [318] Cem Ilkel v Otto Virtanen [126] | 2-6,1-6 | |
| Challenger Lugano | 03/05 17:15 | 25 | Cem Ilkel v Johan Nikles | 6-0,6-3 | |
| Challenger Lugano | 03/04 09:00 | 19 | [226] Illya Marchenko v Cem Ilkel [318] | 6-7,6-7 | |
| Challenger Lugano | 03/03 10:35 | 14 | [400] Kyle Edmund v Cem Ilkel [318] | 6-3,6-7,2-6 | |
| Challenger Lille | 02/25 14:20 | 14 | [398] Arthur Bouquier v Cem Ilkel [324] | 6-4,6-4 | |
| Challenger Manama | 02/13 14:20 | 25 | [295] Gastao Elias v Cem Ilkel [324] | 3-6,6-1,7-6 | |
| Challenger Manama | 02/12 13:50 | 19 | [324] Cem Ilkel v Marat Sharipov [351] | Retired | |
| Challenger Manama | 02/12 08:00 | 14 | [285] Cem Ilkel v Vladyslav Orlov [278] | 2-6,6-1,6-2 | |
| Davis Cup | 02/03 01:55 | 4 | [266] Ajeet Rai v Cem Ilkel [284] | Cancelled | |
| Davis Cup | 02/03 00:30 | 4 | Rubin Statham v Cem Ilkel | Cancelled | |
| Davis Cup | 02/02 03:00 | 1 | Kiranpal Pannu v Cem Ilkel | 6-3,6-2 | |
| Challenger Ottignies | 01/23 13:05 | 19 | [184] Denis Yevseyev v Cem Ilkel [277] | 6-3,6-1 | |
| Challenger Ottignies | 01/22 18:05 | 14 | Nikoloz Basilashvili v Cem Ilkel | 3-6,4-6 | |
| Challenger Oeiras | 01/09 15:55 | 25 | [266] Cem Ilkel v Gastao Elias [304] | 2-6,3-6 | |
| Challenger Oeiras | 01/04 15:00 | 26 | [255] Cem Ilkel v Gastao Elias [336] | 4-6,2-6 | |
| Challenger Oeiras | 01/01 18:10 | 25 | [255] Cem Ilkel v Sebastian Fanselow [321] | 6-3,3-6,7-5 | |
| Challenger Yokkaichi | 11/28 01:00 | 25 | [252] Cem Ilkel v Moez Echargui [280] | 4-6,5-7 | |
| Challenger Yokohama | 11/21 01:00 | 25 | [163] Marc Polmans v Cem Ilkel [254] | 6-1,6-0 | |
| ATP Sofia | 11/09 13:15 | 27 | [82] Jack Draper v Cem Ilkel [259] | 6-2,6-2 | |
| ATP Sofia | 11/08 14:40 | 26 | [259] Cem Ilkel v Max Purcell [45] | 6-3,4-6,6-4 | |
| ATP Sofia | 11/07 18:15 | 25 | [259] Cem Ilkel v Dimitar Kuzmanov [189] | 6-0,6-3 | |
| Challenger Bergamo | 11/02 16:15 | 26 | [258] Cem Ilkel v Pierre-Hugues Herbert [372] | 1-6,1-6 | |
| Challenger Bergamo | 10/31 18:30 | 25 | [258] Cem Ilkel v Illya Marchenko [210] | 6-7,6-4,7-5 | |
| Challenger Hamburg | 10/19 15:05 | 26 | [222] Cem Ilkel v Billy Harris [262] | 6-7,1-6 | |
| Challenger Hamburg | 10/17 13:15 | 25 | [222] Cem Ilkel v Henri Laaksonen [306] | Retired | |
| Challenger Bratislava | 10/10 09:08 | - | [229] Cem Ilkel v Jakub Mensik [151] | 0-0 |
Cem Ilkel (born 21 August 1995) is a Turkish tennis player.
İlkel has a career high ATP singles ranking of No. 144 achieved on 29 November 2021. He also has a career high ATP doubles ranking of No. 299 achieved on 27 August 2018. He has won one ATP Challenger title in singles. He is currently the No. 1 Turkish player. Ilkel has a singles final record of 5 wins and 20 losses, and a doubles final record of 13 wins and 11 losses.