Stadium: Court 3 Round: 25 Ground: Clay
| Challenger Hamburk | 2020/10/24 12:00 | Cem Ilkel v Marvin Moeller | 7-6,3-6,4-6 |
| Challenger Istanbul | 2020/10/22 11:10 | Ilya Ivashka v Cem Ilkel | 6-2,6-2 |
| Challenger Istanbul | 2020/10/20 13:55 | Elliot Benchetrit v Cem Ilkel | 4-6,3-6 |
| ATP Petrohrad | 2020/10/10 08:00 | Nino Serdarusic v Cem Ilkel | 7-6,3-6,6-4 |
| French Open | 2020/09/21 10:10 | Cem Ilkel v Prajnesh Gunneswaran | 3-6,1-6 |
| Challenger Jasy | 2020/09/15 08:45 | Cem Ilkel v Malek Jaziri | 2-6,4-6 |
| Davis Cup | 2020/03/07 09:50 | Cem Ilkel v Edan Leshem | 2-6,6-7 |
| Davis Cup | 2020/03/06 08:55 | Cem Ilkel v Daniel Cukierman | 6-7,2-6 |
| ITF M15 Bratislava | 2020/11/26 13:25 | Tomas Jirousek v Tobias Simon | 1-6,5-7 |
| ITF M15 Bratislava | 2020/11/25 09:00 | Tomas Jirousek v Yann Wojcik | 4-6,7-5,6-3 |
| ITF M15 Heráklion | 2020/11/16 14:25 | Tomas Jirousek v Timo Stodder | 3-6,3-6 |
| ITF M15 Heráklion | 2020/11/16 07:30 | Tomas Jirousek v Tadeas Paroulek | 6-4,3-6,10-8 |
| ITF M15 Heráklion | 2020/11/09 09:30 | Marko Topo v Tomas Jirousek | 6-3,6-3 |
| ITF M15 Heráklion | 2020/11/08 08:30 | Edoardo Lavagno v Tomas Jirousek | 3-6,2-6 |
| ITF M15 Heráklion | 2020/11/02 09:30 | Tomas Jirousek v Mateus Alves | 3-6,0-6 |
| ITF M15 Heráklion | 2020/11/01 08:30 | Andrea Bolla v Tomas Jirousek | 7-6,6-7,7-10 |