Stadium: Court 3 Round: 44 Ground: Clay
| ITF Turkey F21 Qual | 2018/05/26 10:00 | Luka Matic v Philipp Schroll | 3-6,6-3,1-6 |
| ITF Turkey F20 Qual | 2018/05/20 07:30 | Luka Matic v Philipp Schroll | 1-6,1-6 |
| ITF Turkey F19 Qual | 2018/05/12 07:30 | Edoardo Bottino v Luka Matic | 6-3,6-2 |
| ITF Turkey F18 | 2018/05/05 08:00 | Luka Matic v Edoardo Bottino | 1-6,2-6 |
| ITF Turkey F7 | 2018/02/21 10:00 | Juan Pablo Varillas v Luka Matic | 6-1,6-2 |
| ITF Turkey F38 | 2017/10/07 07:00 | Luka Matic v Ilari Vesanen | 3-6,4-6 |
| ITF Turkey F33 | 2017/09/02 11:00 | Luka Matic v Yaron Guberman | 3-6,2-6 |
| ITF Austria F5 | 2017/07/29 07:00 | Dino Bonetta v Luka Matic | 7-5,6-4 |
| ITF Belgium F4 | 2018/07/14 12:00 | Simon Beaupain v David L Ambrozic | 6-1,6-4 |
| ITF Belgium F4 | 2018/07/14 08:30 | Stefan Borms v David L Ambrozic | 6-7,0-6 |
| ITF Greece F10 | 2017/11/19 08:00 | Stephanos Schinas v David L Ambrozic | 6-1,7-6 |
| ITF Greece F9 Qual | 2017/11/11 08:30 | Cristiano Russo v David L Ambrozic | 6-2,6-0 |
| Challenger Manerbio Qual | 2017/08/19 09:45 | Gianluca Di Nicola v David L Ambrozic | 6-0,6-0 |
| Challenger Portoroz Qual | 2017/08/06 08:55 | Michal Konecny v David L Ambrozic | 6-2,6-0 |
| ITF Croatia F4 Qual | 2017/03/26 07:00 | Edward Hubner v David L Ambrozic | 6-3,7-5 |
| ITF Croatia F3 | 2017/03/22 09:00 | Laslo Urrutia Fuentes v David L Ambrozic | 6-0,6-1 |