Stadium: Court 1 Round: 62 Ground: Clay
| 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 |
| Challenger Portoroz Qual | 2017/08/06 14:40 | Franko Skugor v Domen Gostincar | 6-1,6-1 |
| Challenger Portoroz Qual | 2017/08/05 07:30 | Domen Gostincar v Matic Podlipnik | 6-4,6-0 |
| ITF Croatia F3 | 2018/03/19 11:00 | Andre Biro v Deni Zmak | 2-6,3-6 |
| ITF Croatia F2 | 2018/03/12 12:00 | Andre Biro v Flemming Peters | 7-5,3-6,4-6 |
| ITF Croatia F2 | 2018/03/11 08:00 | Andre Biro v Filip Maric | 6-2,6-3 |
| ITF Croatia F2 | 2018/03/10 08:00 | Yannis Zekri v Andre Biro | 0-6,0-6 |
| ITF Croatia F3 | 2017/03/18 08:00 | Andre Biro v David Gorsic | 4-6,3-6 |
| ITF Croatia F2 | 2017/03/11 08:00 | Andre Biro v Alen Rogic-Hadzalic | 3-6,6-7 |
| ITF Croatia F1 | 2017/03/08 11:05 | Andre Biro v Matej Sabanov | 3-6,2-6 |
| ITF Croatia F1 | 2017/03/06 12:15 | Andre Biro v Luca Giacomini | 6-3,6-2 |