Stadium: Court 3 Round: 62 Ground: Clay
| ITF Austria F1 | 2018/06/30 07:00 | Staeheli, Luca v Hubner, Edward | 6-0,6-4 |
| ITF Switzerland F5 | 2017/08/29 14:15 | Staeheli, Luca v Marc-Andrea Huesler | 0-6,3-6 |
| ITF Switzerland F4 Qual | 2017/08/19 12:00 | Mrose, Oliver v Staeheli, Luca | 6-3,7-6 |
| ITF Switzerland F1 Qual | 2017/02/04 08:30 | Giovanni Fonio v Staeheli, Luca | 7-6,6-3 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/28 12:55 | Fellin, Manfred v Oreskovic, Z. | 6-2,3-6,5-7 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/27 08:00 | Oreskovic, Z. v Vukovic, Milos | 6-4,6-0 |
| ITF Bosnia and Herzegovina F3 Qual | 2018/05/26 07:00 | Oreskovic, Z. v Dragovic, Stefan | 6-4,7-5 |
| ITF Bulgaria F1 | 2018/05/17 10:45 | Oreskovic, Z. v Manda, Calin | 1-6,1-6 |
| ITF Bulgaria F1 | 2018/05/16 08:52 | Sabanin, Yan v Oreskovic, Z. | 1-1 |
| ITF Hungary F1 Qual | 2018/05/05 10:00 | Maric, Filip v Oreskovic, Z. | 7-6,2-6,6-4 |
| ITF Croatia F3 | 2018/03/20 10:00 | Antonescu, Vasile v Oreskovic, Z. | 6-3,6-3 |
| ITF Croatia F2 | 2018/03/12 14:15 | Oreskovic, Z. v Kranic, Karlo | 2-6,4-6 |