Stadium: Court Limak Enerji Round: 25 Ground: Hardcourt outdoor
| ITF Turkey F46 | 2017/12/06 07:15 | Ergi Kirkin v Cem Ilkel | 1-6,1-6 |
| Challenger - Cassis | 2018/09/02 10:00 | Ergi Kirkin v Maxime Tchoutakian | 1-6,6-0,3-6 |
| ITF Serbia F2 | 2018/08/19 09:00 | Ergi Kirkin v Arthur Rinderknech | 2-6,4-6 |
| ITF Serbia F2 | 2018/08/18 09:45 | Ergi Kirkin v Peter Nagy | 2-6,6-2,7-5 |
| ITF Serbia F2 | 2018/08/17 11:20 | Barnaby Smith v Ergi Kirkin | 4-6,5-7 |
| ITF Serbia F2 | 2018/08/16 12:50 | Gorazd Srbljak v Ergi Kirkin | 4-6,4-6 |
| ITF Serbia F2 | 2018/08/15 10:00 | Nino Portales v Ergi Kirkin | 3-6,2-6 |
| ITF Serbia F1 | 2018/08/11 10:00 | Ergi Kirkin v Simone Roncalli | 6-4,6-7,5-7 |
| ITF Serbia F1 | 2018/08/10 11:25 | Ergi Kirkin v Tomislav Jotovski | 4-6,7-5,6-3 |
| Challenger - Cassis | 2018/09/05 09:00 | Ugo Humbert v Cem Ilkel | 7-6,6-4 |
| Challenger Portoroz | 2018/08/08 14:30 | Gian Marco Moroni v Cem Ilkel | 6-1,6-1 |
| Challenger Portoroz | 2018/08/06 19:00 | Lukas Rosol v Cem Ilkel | 3-6,5-7 |
| Challenger - Segovia | 2018/08/01 11:05 | Cem Ilkel v Adrian Menendez-Maceiras | 0-6,2-6 |
| Challenger - Segovia | 2018/07/30 16:15 | Cem Ilkel v Jorge Hernando-Ruano | 6-4,6-3 |
| Challenger - Tampere | 2018/07/24 11:35 | Cem Ilkel v Marco Trungelliti | 6-3,3-6,4-6 |
| Challenger - Astana | 2018/07/16 10:45 | Daniel Brands v Cem Ilkel | 6-0,6-4 |
| ATP - Antalya | 2018/06/26 13:15 | Cem Ilkel v Marius Copil | 4-6,6-7 |