Stadium: Center Court Round: 25 Ground: Hardcourt indoor
| ITF Finland F4 | 2018/11/11 11:20 | Patrick Mayer v Juho Kantola | 6-1,6-3 |
| ITF Finland F4 | 2018/11/10 11:30 | Patrick Mayer v Valtteri Ahti | 6-0,6-0 |
| ITF Estonia F3 | 2018/11/06 09:00 | Patrick Mayer v Alexander Vasilenko | 4-6,1-6 |
| ITF Germany F16 | 2018/10/21 08:00 | Patrick Mayer v Roy Sarut De Valk | 3-6,2-6 |
| ITF Spain F31 | 2018/10/10 10:00 | Patrick Mayer v Javier Barranco Cosano | 4-6,3-6 |
| ITF Spain F31 | 2018/10/08 10:35 | Patrick Mayer v Martins Rocens | 6-4,6-4 |
| ITF Germany F14 | 2018/10/05 10:00 | Patrick Mayer v Dominik Boehler | 2-6,2-6 |
| ITF Germany F14 | 2018/10/04 10:00 | Oleksii Krutykh v Patrick Mayer | 3-6,6-3,6-7 |
| ITF Estonia F3 | 2018/11/05 09:00 | Giorgio Ricca v Matvey Minin | 6-7,6-3,6-3 |
| ITF Portugal F22 | 2018/10/25 09:00 | Matvey Minin v Gijs Brouwer | 2-6,3-6 |
| ITF Portugal F22 | 2018/10/23 08:30 | Matvey Minin v Goncalo Ferreira | 7-6,6-0 |
| ITF Portugal F21 | 2018/10/17 09:00 | Matvey Minin v Mats Rosenkranz | 3-6,1-6 |
| ITF Portugal F21 | 2018/10/16 10:30 | Jose-Ricardo Nunes v Matvey Minin | 4-6,1-6 |
| ITF Portugal F20 | 2018/10/09 09:00 | Matvey Minin v Raphael Baltensperger | 3-6,4-6 |
| ITF Kazakhstan F7 | 2018/09/18 07:25 | Matvey Minin v Colin Van Beem | 7-6,2-6,1-6 |
| ITF Kazakhstan F6 | 2018/09/13 05:00 | Andrey Chepelev v Matvey Minin | 6-2,6-3 |