Stadium: Court 1 Round: 26 Ground: Clay
| ITF Bosnia and Herzegovina F3 | 2018/05/29 12:40 | Domagoj Biljesko v Zhao, Lingxi | 6-7,6-3,6-4 |
| ITF Bosnia and Herzegovina F1 | 2018/05/17 10:50 | Brkic, Tomislav v Domagoj Biljesko | 6-4,3-6,6-3 |
| ITF Bosnia and Herzegovina F1 | 2018/05/15 10:30 | Domagoj Biljesko v Alexey Aleshchev | 5-7,6-1,6-4 |
| ITF Hungary F1 | 2018/05/09 11:50 | Mate Valkusz v Domagoj Biljesko | 6-3,6-3 |
| ITF Hungary F1 | 2018/05/08 12:25 | Filip, Vladimir v Domagoj Biljesko | 6-7,2-6 |
| Tunisia F17, Singles Qualifying | 2018/05/02 09:00 | Hidalgo, Diego v Domagoj Biljesko | 6-1,6-3 |
| Tunisia F16, Singles Qualifying | 2018/04/25 09:00 | Domagoj Biljesko v Saraiva, Bernardo | 2-6,2-6 |
| Tunisia F15, Singles Qualifying | 2018/04/17 11:30 | Filip Duda v Domagoj Biljesko | 6-1,3-6,6-4 |
| ITF Bosnia and Herzegovina F3 | 2018/05/30 13:30 | Gorazd Srbljak v Nagy, Peter | 3-6,3-6 |
| ATP Budapest Qual | 2018/04/21 08:30 | Matteo Berrettini v Nagy, Peter | 6-3,6-4 |
| ITF Croatia F3 | 2018/03/24 10:00 | Nagy, Peter v Geoffrey Blancaneaux | 1-6,1-6 |
| ITF Croatia F3 | 2018/03/23 10:00 | Nagy, Peter v Delic, Mate | 6-4,2-6,6-3 |
| ITF Croatia F3 | 2018/03/22 09:00 | Kocevar-Desman, Tom v Nagy, Peter | 3-6,2-6 |
| ITF Croatia F3 | 2018/03/21 13:15 | Yvo Panak v Nagy, Peter | 4-6,5-7 |
| ITF Croatia F2 | 2018/03/13 10:00 | Zdenek Kolar v Nagy, Peter | 6-4,6-4 |
| ITF Croatia F1 | 2018/03/09 13:00 | Nagy, Peter v Escobar, Gonzalo | 3-6,6-3,2-6 |