Round: 62 Ground: Clay
| ITF Turkey F16 | 2017/04/23 07:00 | Sebastian Prechtel v Cengiz Aksu | 3-6,6-4,6-2 |
| Challenger Eckental Qual | 2017/10/30 11:30 | Evan Furness v Sebastian Prechtel | 7-5,6-1 |
| Challenger Eckental Qual | 2017/10/29 09:00 | Sebastian Prechtel v Fabian Penzkofer | 6-2,6-1 |
| Challenger Eckental Qual | 2017/10/28 07:30 | Sebastian Prechtel v Andreas Siljestrom | 4-6,6-1,6-1 |
| ITF Germany F16 | 2017/10/24 12:25 | Sebastian Prechtel v Daniel Masur | 3-6,3-6 |
| ITF Germany F16 | 2017/10/23 10:00 | Sebastian Prechtel v Mick Veldheer | 6-3,5-7,6-1 |
| ITF Germany F16 | 2017/10/22 12:00 | Sebastian Prechtel v Benjamin Dhoe | 7-5,7-6 |
| Challenger Ismaning Qual | 2017/10/14 11:20 | Sebastian Prechtel v Alejandro Davidovich Fokina | 6-7,3-6 |
| ITF Germany F14 | 2017/10/12 14:00 | Sebastian Prechtel v Robin Kern | 3-6,4-6 |
| ITF Turkey F7 | 2018/02/18 06:30 | David Jorda Sanchis v Cengiz Aksu | 7-5,3-6,6-2 |
| ITF Turkey F7 | 2018/02/17 06:30 | Ran Amar v Cengiz Aksu | 2-6,3-6 |
| ITF Turkey F6 | 2018/02/13 07:00 | Cengiz Aksu v Joao Pedro Sorgi | 2-6,2-6 |
| ITF Turkey F3 | 2018/01/23 07:30 | Alexander Pavlioutchenkov v Cengiz Aksu | 7-5,3-6,6-3 |
| ITF Turkey F3 | 2018/01/22 10:00 | Dmitry Myagkov v Cengiz Aksu | 3-6,3-6 |
| ITF Turkey F3 | 2018/01/20 07:00 | Tolunay Sumer v Cengiz Aksu | 0-6,4-6 |
| ITF Turkey F2 | 2018/01/15 07:00 | Cengiz Aksu v Yusei Fukuoka | 6-3,6-2 |
| ITF Turkey F2 | 2018/01/15 07:00 | Nik Razborsek v Cengiz Aksu | 6-2,6-0 |