Stadium: Court 5 Round: 25 Ground: Clay
| ITF M15 Antalya | 2021/04/28 07:00 | Marsel Ilhan v Mircea-Alexandru Jecan | 4-6,2-6 |
| ITF M15 Novi Sad | 2021/08/05 12:00 | Mariano Navone v Marsel Ilhan | 6-3,6-1 |
| ITF M15 Novi Sad | 2021/08/03 12:10 | Luka Pavlovic v Marsel Ilhan | 3-6,4-6 |
| ITF M15 Novi Sad | 2021/07/28 07:30 | Gorazd Srbljak v Marsel Ilhan | 6-2,6-4 |
| ITF M15 Antalya | 2021/07/02 06:25 | Marsel Ilhan v Carlos Sanchez Jover | 2-6,6-7 |
| ITF M15 Antalya | 2021/07/01 06:30 | Marsel Ilhan v Hanwen Li | 6-1,6-2 |
| ITF M15 Antalya | 2021/06/30 06:30 | Alexis Musialek v Marsel Ilhan | 7-6,4-6,0-6 |
| ITF M15 Antalya | 2021/06/24 07:00 | Olexiy Kolisnyk v Marsel Ilhan | 6-2,6-3 |
| ITF M15 Antalya | 2021/06/18 07:30 | Francisco Llanes v Marsel Ilhan | 6-4,6-3 |
| Challenger Napoli | 2021/10/04 10:40 | Raul Brancaccio v Mircea-Alexandru Jecan | 6-2,6-2 |
| Challenger Sibiu | 2021/09/26 10:45 | Mircea-Alexandru Jecan v Nicholas David Ionel | 2-6,4-6 |
| Challenger Istanbul | 2021/09/12 09:55 | Geoffrey Blancaneaux v Mircea-Alexandru Jecan | 7-5,6-2 |
| Challenger Banja Luka | 2021/09/06 11:35 | David Poljak v Mircea-Alexandru Jecan | 6-3,6-4 |
| Challenger Banja Luka | 2021/09/05 10:50 | Vasil Kirkov v Mircea-Alexandru Jecan | 4-6,4-6 |
| ITF M25 Bacau | 2021/08/18 12:00 | Mircea-Alexandru Jecan v Dan Alexandru Tomescu | 6-7,1-6 |
| ITF M15 Curtea de Arges | 2021/08/10 12:20 | Boris Pokotilov v Mircea-Alexandru Jecan | 3-6,6-4,6-1 |
| ITF M25 Pitesti | 2021/08/05 11:25 | Marko Tepavac v Mircea-Alexandru Jecan | 6-3,7-6 |