Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF Belarus F1 Qual | 2018/08/05 07:00 | Mert Alkaya v Artsiom Cherkasau | 6-0,6-0 |
| ITF Belarus F1 Qual | 2018/08/04 08:15 | Mert Alkaya v Razvan Baiant | 6-0,6-1 |
| ITF Turkey F21 Qual | 2018/05/26 07:30 | Mert Alkaya v Edward Hubner | 1-6,1-6 |
| ATP Istanbul Qual | 2018/04/28 08:00 | Thiago Monteiro v Mert Alkaya | 6-3,6-1 |
| ITF Turkey F9 | 2018/03/03 07:00 | Oleg Prihodko v Mert Alkaya | 6-2,6-1 |
| ITF Turkey F6 | 2018/02/10 09:00 | Masaya Kobayashi v Mert Alkaya | 6-3,6-3 |
| ITF Turkey F5 | 2018/02/06 07:30 | Mert Alkaya v Vasil Kirkov | 0-6,3-6 |
| ITF Turkey F1 | 2018/01/07 10:00 | Tiran Sanghera v Mert Alkaya | 6-2,7-6 |
| ITF Ireland F1 | 2018/08/01 13:45 | Niklas Johansson v Peter Bothwell | 4-6,4-6 |
| ITF Sri Lanka F3 | 2018/06/26 06:30 | Niklas Johansson v Michal Dembek | 7-5,3-6,3-6 |
| ITF Guam F1 | 2018/06/22 01:35 | Yuichi Ito v Niklas Johansson | 7-6,6-1 |
| ITF Guam F1 | 2018/06/20 04:05 | Niklas Johansson v Kento Takeuchi | 6-3,6-4 |
| ITF Guam F1 | 2018/06/18 03:00 | Ryotaro Matsumura v Niklas Johansson | 4-6,6-3,4-6 |
| ITF Uganda F4 | 2018/05/23 06:00 | Niklas Johansson v Tyler Lu | 3-6,6-7 |
| ITF Uganda F4 | 2018/05/21 13:15 | Sergey Dorozhkin v Niklas Johansson | 6-7,5-7 |
| ITF Uganda F3 | 2018/05/15 06:00 | Ivan Nedelko v Niklas Johansson | 4-6,6-1,6-2 |