Stadium: Court 1 Round: 54 Ground: Carpet indoor
| ITF Slovakia F3 | 2016/08/09 07:30 | Isa Mammetgulyyev v Piotr Matuszewski | 1-6,2-6 |
| ITF Czech Republic F8 | 2018/10/29 14:00 | Kacper Zuk v Piotr Matuszewski | 4-6,1-6 |
| ITF Germany F16 | 2018/10/24 10:00 | Altug Celikbilek v Piotr Matuszewski | 6-1,6-4 |
| ITF Germany F16 | 2018/10/23 10:05 | Maximilian Todorov v Piotr Matuszewski | 6-3,1-6,3-6 |
| ITF Germany F16 | 2018/10/21 12:00 | Patrick Zahraj v Piotr Matuszewski | 3-6,3-6 |
| ITF Germany F15 | 2018/10/08 08:00 | Piotr Matuszewski v Julian kenzlers | 1-6,3-6 |
| ITF Germany F14 | 2018/10/01 10:00 | Piotr Matuszewski v Laurin Aerne | 3-6,2-6 |
| ITF Germany F14 | 2018/09/30 11:30 | Piotr Matuszewski v Bastien Presuhn | 1-6,7-6,6-3 |
| ITF Ukraine F4 | 2018/08/26 11:30 | Adam Bronka v Piotr Matuszewski | 1-6,7-5,6-3 |
| ITF Czech Republic F8 | 2018/10/29 11:00 | Roman Garkavenko v Isa Mammetgulyyev | 7-6,3-6,4-6 |
| ITF Czech Republic F7 | 2018/10/24 15:30 | Niels Lootsma v Isa Mammetgulyyev | 6-1,6-4 |
| ITF Czech Republic F7 | 2018/10/23 08:00 | Isa Mammetgulyyev v David Juras | 6-3,7-5 |
| ITF Czech Republic F7 | 2018/10/22 13:00 | Isa Mammetgulyyev v Marek Podlesak | 7-6,6-4 |
| ITF Hungary F7 | 2018/08/29 08:30 | Isa Mammetgulyyev v Sadio Doumbia | 0-6,2-6 |
| ITF Hungary F7 | 2018/08/27 08:30 | Isa Mammetgulyyev v Milan Radojkovic | 2-6,6-1,6-4 |
| ITF Hungary F7 | 2018/08/26 13:00 | Isa Mammetgulyyev v Artur Kulibaba | 6-3,6-1 |
| ITF Hungary F6 | 2018/08/23 08:30 | Gabor Borsos v Isa Mammetgulyyev | 6-2,7-6 |