Stadium: Court 3 Round: 26 Ground: Clay
| ITF Serbia F1 | 2018/08/07 08:00 | Ergi Kirkin v Milos Nikolic | 6-1,6-4 |
| Challenger Liberec Qual | 2018/07/30 09:00 | Ergi Kirkin v David Poljak | 2-6,6-1,2-6 |
| Challenger Liberec Qual | 2018/07/29 12:50 | Omar Salman v Ergi Kirkin | 3-6,6-4,2-6 |
| Challenger Liberec Qual | 2018/07/28 13:00 | Nicolo Turchetti v Ergi Kirkin | 7-5,5-7,3-6 |
| ITF Morocco F1 | 2018/07/16 09:30 | Luca Castelnuovo v Ergi Kirkin | 2-6,2-6 |
| ITF Austria F2 | 2018/07/10 09:00 | Ergi Kirkin v Alexandar Lazarov | 5-7,4-6 |
| ATP Antalya Qual | 2018/06/24 11:00 | Ergi Kirkin v Filip Horansky | 2-6,1-6 |
| ATP Antalya Qual | 2018/06/23 12:55 | Radu Albot v Ergi Kirkin | 2-6,6-3,6-7 |
| ITF Serbia F1 | 2018/08/08 14:50 | Bodin Zarkovic v Boris Butulija | 5-7,6-7 |
| ITF Serbia F1 Qual | 2018/08/06 09:50 | Filip Jakob Zupancic v Boris Butulija | 1-6,2-6 |
| ITF Serbia F1 Qual | 2018/08/05 10:30 | Stefan Suvajac v Boris Butulija | 3-6,5-7 |
| ITF Serbia F1 Qual | 2018/08/04 09:30 | Andras Necz v Boris Butulija | 6-3,4-6,3-6 |
| ITF Hungary F4 Qual | 2018/06/10 08:00 | Ken Onishi v Boris Butulija | 6-4,6-7,6-4 |
| ITF Hungary F4 Qual | 2018/06/09 08:00 | Boris Butulija v Dominik Kisantal | 6-0,6-2 |
| ITF Turkey F22 | 2018/06/03 07:30 | Boris Butulija v Louroi Martinez | 4-6,6-0,2-6 |
| ITF Turkey F22 | 2018/06/02 07:30 | Boris Butulija v Zura Tkemaladze | 6-4,5-7,6-3 |