Stadium: Clay 4 Round: 27 Ground: Clay
| ITF Turkey F29 | 2018/09/27 09:55 | Nikolas Sanchez Izquierdo v Walder, Jim | 6-7,6-3,6-4 |
| ITF Turkey F29 | 2018/09/25 09:00 | Christopher O'Connell v Nikolas Sanchez Izquierdo | 4-6,2-6 |
| ITF Turkey F28 | 2018/09/21 09:10 | Samper-Montana, Jordi v Nikolas Sanchez Izquierdo | 6-4,6-4 |
| ITF Turkey F28 | 2018/09/19 09:05 | Nikolas Sanchez Izquierdo v Speziali, Maurizio | 6-0,6-2 |
| ITF Belgium F10 | 2018/08/31 13:15 | Michael Geerts v Nikolas Sanchez Izquierdo | 6-2,6-4 |
| ITF Belgium F10 | 2018/08/30 14:45 | Nikolas Sanchez Izquierdo v Dhoe, Benjamin | 5-7,6-1,6-4 |
| ITF Belgium F10 | 2018/08/29 11:00 | Nikolas Sanchez Izquierdo v Ignacio Monzon | 6-0,6-1 |
| ITF Belgium F10 | 2018/08/28 10:00 | Nikolas Sanchez Izquierdo v Terczynski, Mateusz | 6-1,6-3 |
| ITF Turkey F29 | 2018/09/27 07:30 | Marco Miceli v Thiem, Moritz | 6-3,0-6,3-6 |
| ITF Turkey F29 | 2018/09/25 07:30 | Thiem, Moritz v Michael Vrbensky | 6-0,6-1 |
| ITF Turkey F29 | 2018/09/24 07:30 | Horton, Nicholas v Thiem, Moritz | 6-7,1-6 |
| ITF Turkey F29 | 2018/09/23 07:30 | Nadaf, Hamid Reza v Thiem, Moritz | 6-7,6-2,1-6 |
| ITF Turkey F21 Qual | 2018/05/26 07:30 | Thiem, Moritz v Louroi Martinez | 2-6,3-6 |
| Turkey F20, Singles Qualifying | 2018/05/22 07:30 | Thiem, Moritz v Gelhardt, Luca | 3-6,0-6 |
| ITF Turkey F20 Qual | 2018/05/21 09:15 | Tsoronis, Socrates Leon v Thiem, Moritz | 0-6,2-6 |
| ITF Turkey F20 Qual | 2018/05/20 07:30 | Thiem, Moritz v Akay, Cihan | 7-5,6-2 |