Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF Turkey F22 | 2018/06/06 09:20 | Heyman, Christopher v Alexander Weis | 3-6,6-0,6-4 |
| ITF Turkey F21 | 2018/06/01 09:55 | Heyman, Christopher v Winkler, Georg | 3-6,6-4,6-3 |
| ITF Turkey F21 | 2018/05/31 11:10 | Heyman, Christopher v Jonas Trinker | 6-7,6-3,7-6 |
| ITF Turkey F21 | 2018/05/29 07:30 | Heyman, Christopher v Krivokuca, Neven | 7-6,6-0 |
| Challenger Lisbon Qual | 2018/05/12 13:35 | Heyman, Christopher v Vega Hernandez, David | 1-6,3-6 |
| Challenger Braga | 2018/05/08 17:25 | Sousa, Pedro v Heyman, Christopher | 6-2,6-2 |
| Challenger Guadalajara | 2018/04/17 17:00 | Heyman, Christopher v Sarkissian, Alexander | 4-6,6-7 |
| Challenger - Mexique | 2018/04/09 22:25 | Heyman, Christopher v Menendez-Maceiras, Adrian | 6-1,5-7,2-6 |
| ITF Turkey F22 | 2018/06/05 07:30 | Koray Kirci v Alexey Aleshchev | 6-2,7-6 |
| ITF Turkey F21 | 2018/06/01 09:40 | Koray Kirci v Marsel Ilhan | 6-3,2-6,2-6 |
| ITF Turkey F21 | 2018/05/31 07:30 | Turchetti, Nicolo v Koray Kirci | 4-6,6-3,3-6 |
| ITF Turkey F21 | 2018/05/29 09:00 | Koray Kirci v Tsoronis, Socrates Leon | 6-2,6-3 |
| Turkey F20, Singles Qualifying | 2018/05/24 07:30 | Tashi, Vullnet v Koray Kirci | 4-6,6-3,6-4 |
| Turkey F20, Singles Qualifying | 2018/05/22 07:30 | Koray Kirci v Nikolic, Milos | 5-7,6-0,6-3 |
| ITF Turkey F19 | 2018/05/17 07:00 | Lipovsek Puches, Tomas v Koray Kirci | 6-3,2-6,6-2 |
| ITF Turkey F19 | 2018/05/15 08:25 | Koray Kirci v Guenther, Valentin | 7-5,6-3 |