Stadium: Court 2 Round: 44 Ground: Clay
| ITF Hungary F2 Qual | 2018/05/13 08:00 | Martin Zeljenka v Domen Gostincar | 6-4,6-3 |
| ITF Hungary F1 Qual | 2018/05/05 10:00 | Domen Gostincar v Andre Biro | 2-6,2-6 |
| ITF Dominican Republic F3 | 2017/12/09 15:30 | Domen Gostincar v Rowland Phillips | 1-6,7-6,3-6 |
| ITF Dominican Republic F2 | 2017/12/03 14:00 | Danail Banov v Domen Gostincar | 2-6,6-2,6-3 |
| ITF Dominican Republic F2 | 2017/12/02 13:00 | Domen Gostincar v Aron Pierce | 6-7,6-2,6-1 |
| ITF Estonia F4 | 2017/11/04 16:00 | Harri Heliovaara v Domen Gostincar | 6-0,6-4 |
| ITF Estonia F3 | 2017/10/28 07:00 | Domen Gostincar v Aaro Pollanen | 4-6,6-7 |
| ITF Tunisia F30 | 2017/10/07 08:30 | Nazim Makhlouf v Domen Gostincar | 6-4,7-6 |
| ITF Turkey F1 | 2018/01/07 08:30 | Mert Naci Turker v Mario Stino | 6-4,6-4 |