| Challenger Hamburg MD | 2019/10/25 16:30 | Skupski/Smith v Celikbilek/Ilkel | 6-2,7-5 |
| Challenger Hamburg MD | 2019/10/24 18:35 | Celikbilek/Ilkel v Granollers-Pujol/Martos Gornes | 6-4,7-6 |
| Challenger Hamburg MD | 2019/10/24 16:30 | Celikbilek/Ilkel v Granollers-Pujol/Martos Gornes | 6-4,6-6 |
| Challenger Glasgow MD | 2019/09/20 17:30 | Murray/Smith v Celikbilek/Ilkel | 6-3,6-4 |
| Challenger Glasgow MD | 2019/09/19 15:45 | Celikbilek/Ilkel v Heliovaara/Ruusuvuori | 7-6,7-6 |
| Challenger Mallorca MD | 2019/08/28 16:45 | Heliovaara/Ruusuvuori v Celikbilek/Ilkel | 6-4,6-3 |
| Challenger Fergana MD | 2019/06/19 11:00 | Artunedo Martinavarro/Ruusuvuori v Celikbilek/Ilkel | 6-1,6-4 |
| Challenger Portoroz MD | 2018/08/07 21:00 | Gonzales/Lammons v Celikbilek/Ilkel | 7-5,6-3 |