Stadium: CC Round: 26 Ground: Clay
| Challenger Quimper - Herrdubbel | 2020/01/29 21:00 | Celikbilek/Ilkel v Raja/Shamasdin | 4-6,7-5,9-11 |
| Challenger Rennes - Herrdubbel | 2020/01/23 18:15 | Petrovic/Serdarusic v Celikbilek/Ilkel | 6-1,6-2 |
| Challenger Rennes - Herrdubbel | 2020/01/22 19:00 | Celikbilek/Ilkel v Klein/Vatutin | 6-2,6-2 |
| Challenger Hamburg - Herrdubbel | 2019/10/25 16:30 | Skupski/Smith v Celikbilek/Ilkel | 6-2,7-5 |
| Challenger Hamburg - Herrdubbel | 2019/10/24 18:35 | Celikbilek/Ilkel v Granollers-Pujol/Martos Gornes | 6-4,7-6 |
| Challenger Hamburg - Herrdubbel | 2019/10/24 16:30 | Celikbilek/Ilkel v Granollers-Pujol/Martos Gornes | 6-4,6-6 |
| Challenger Glasgow - Damdubbel | 2019/09/20 17:30 | Murray/Smith v Celikbilek/Ilkel | 6-3,6-4 |
| Challenger Glasgow - Damdubbel | 2019/09/19 15:45 | Celikbilek/Ilkel v Heliovaara/Ruusuvuori | 7-6,7-6 |