Stadium: Court 4 Round: 26 Ground: Clay
| ITF Hungary F3 | 2018/05/22 10:45 | Isa Mammetgulyyev v Edoardo Sardella | 6-3,6-1 |
| ITF Hungary F3 Qual | 2018/05/21 09:50 | Isa Mammetgulyyev v Adam Torocsik | 7-6,6-3 |
| ITF Greece F5 | 2018/03/25 10:00 | Isa Mammetgulyyev v Jannik Sinner | 5-7,3-6 |
| ITF Greece F5 | 2018/03/24 13:00 | Francis Pare v Isa Mammetgulyyev | 4-6,2-6 |
| ITF Greece F4 | 2018/03/17 07:30 | Isa Mammetgulyyev v Conor Berg | 2-6,2-6 |
| ITF Greece F3 | 2018/03/11 08:00 | Maksim Tikhomirov v Isa Mammetgulyyev | 6-1,6-4 |
| ITF Greece F3 | 2018/03/10 10:00 | Isa Mammetgulyyev v Andreas A Lavdas | 6-1,6-2 |
| ITF Kuwait F3 | 2017/11/13 06:00 | Isa Mammetgulyyev v Giovani Samaha | 3-6,3-6 |
| ITF Hungary F3 | 2018/05/22 08:00 | Maxime Mora v Marko Tepavac | 2-6,4-6 |
| Challenger Ostrava Qual | 2018/04/29 12:20 | Mathias Bourgue v Marko Tepavac | 6-2,6-3 |
| Challenger Ostrava Qual | 2018/04/28 11:40 | Marko Tepavac v Pascal Brunner | 6-4,7-5 |
| Challenger Barletta | 2018/04/10 12:40 | Marko Tepavac v Gastao Elias | 6-3,5-7,0-6 |
| Challenger Barletta Qual | 2018/04/09 08:00 | Zsombor Piros v Marko Tepavac | 6-4,7-5 |
| Challenger Barletta Qual | 2018/04/08 09:00 | Marko Tepavac v Gianluca Di Nicola | 7-5,6-3 |
| Challenger Barletta Qual | 2018/04/07 10:00 | Marko Tepavac v Mate Valkusz | 6-4,6-4 |
| ITF Greece F3 | 2018/03/18 11:00 | Marko Tepavac v Tomas Barrios Vera | 6-3,7-5 |