Round: 26 Ground: Hardcourt indoor
| Challenger Ismaning - MD | 2021/10/26 15:30 | Haase/Hermans v Celikbilek/Ilkel | 6-4,6-4 |
| Challenger St. Petersburg - MD | 2021/03/02 15:45 | Celikbilek/Ilkel v Kadhe/Lock | 4-6,1-6 |
| Challenger Istanbul - MD | 2021/01/21 15:40 | Erlich/Vasilevski v Celikbilek/Ilkel | 6-2,6-3 |
| Challenger Istanbul - MD | 2021/01/20 18:55 | Celikbilek/Ilkel v King/Pasha | 7-6,6-3 |
| ITF - Antalya M25 - MD | 2020/02/28 12:00 | Marozsan/Nagy v Celikbilek/Ilkel | 6-3,7-5 |
| ITF - Antalya M25 - MD | 2020/02/28 08:55 | Chung/Miceli v Celikbilek/Ilkel | 3-6,3-6 |
| ITF - Antalya M25 - MD | 2020/02/27 11:00 | Chung/Miceli v Celikbilek/Ilkel | 3-6,3-6 |
| ITF - Antalya M25 - MD | 2020/02/25 11:30 | Okala/S Izquierdo v Celikbilek/Ilkel | 1-6,0-6 |
| Challenger Ostrava - MD | 2021/04/29 14:25 | Drzewiecki/Walkow v Polmans/Stakhovsky | 6-7,5-7 |
| Challenger Ostrava - MD | 2021/04/28 10:15 | Drzewiecki/Walkow v Margaroli/Shamasdin | 6-3,6-2 |
| Challenger Quimper - MD | 2021/02/04 19:20 | Nakashima/Reese v Drzewiecki/Walkow | 3-6,7-6,10-7 |
| Challenger Quimper - MD | 2021/02/03 09:30 | Istomin/Karlovskiy v Drzewiecki/Walkow | 6-7,5-7 |
| Challenger Quimper - MD | 2021/01/27 16:50 | Drzewiecki/Walkow v Guinard/Rinderknech | 6-7,2-6 |
| Challenger Ortisei - MD | 2020/11/19 13:05 | Drzewiecki/Walkow v Forti/Gaio | 7-6,4-6,6-10 |
| Challenger Ortisei - MD | 2020/11/18 13:05 | Drzewiecki/Walkow v Masur/Ofner | 7-6,4-6,10-8 |
| Challenger Bratislava - MD | 2020/11/13 15:10 | Klein/Molcan v Drzewiecki/Walkow | 7-6,6-3 |