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