Stadium: Clay 3 Round: 25 Ground: Hardcourt outdoor
| ITF Turkey F29 | 2018/09/26 08:40 | Cengiz Aksu v Jordi Walder | 6-7,4-6 |
| Challenger Istanbul | 2018/09/08 08:30 | Vasko Mladenov v Cengiz Aksu | 7-5,2-6,6-3 |
| ITF Belarus F3 | 2018/08/22 07:00 | Cengiz Aksu v Giorgio Ricca | 3-6,6-3,3-6 |
| ITF Belarus F3 | 2018/08/21 08:15 | Roman Khassanov v Cengiz Aksu | 1-6,4-6 |
| ITF Belarus F2 | 2018/08/13 07:00 | Aliaksandr Bulitski v Cengiz Aksu | 6-2,6-7,6-2 |
| ITF Belarus F2 | 2018/08/12 07:00 | Cengiz Aksu v Martin Beran | 6-7,6-1,6-3 |
| ITF Belarus F2 | 2018/08/11 07:55 | Cengiz Aksu v Zura Tkemaladze | 6-1,7-6 |
| ITF Georgia F1 | 2018/07/11 09:00 | Mykhailo Kvantaliani v Cengiz Aksu | 4-6,2-6 |
| ITF Turkey F30 | 2018/10/01 07:30 | Ruben Konings v Noah Thurner | 6-1,6-2 |
| ITF Turkey F30 | 2018/09/30 10:30 | Ruben Konings v Moritz Thiem | 7-6,6-2 |
| ITF Turkey F30 | 2018/09/29 11:00 | Ruben Konings v Cosmin Ontica | 6-4,6-1 |
| ITF Netherlands F6 | 2018/08/28 09:50 | Mick Veldheer v Ruben Konings | 6-3,7-6 |
| ITF Netherlands F5 | 2018/08/21 12:20 | Marc Dijkhuizen v Ruben Konings | 6-2,6-1 |
| ITF Netherlands F5 | 2018/08/19 10:00 | Ruben Konings v Aloys J W Van Baal | 6-3,6-7,7-6 |
| ITF Netherlands F5 | 2018/08/18 08:00 | Ruben Konings v Tim Van Der Horst | 6-2,6-2 |
| ITF Netherlands F5 | 2018/08/18 07:00 | Ruben Konings v Boris Beumer | 2-6,6-2,6-4 |