Stadium: Court 4 Round: 54 Ground: Clay
| ITF M15 Bagnoles-de-l'Orne | 2019/01/09 09:00 | Piotr Matuszewski v Hugo Voljacques | 4-6,5-7 |
| ITF M15 Bagnoles-de-l'Orne | 2019/01/07 15:50 | Quentin Gueydan v Piotr Matuszewski | 5-7,2-6 |
| ITF M15 Bagnoles-de-l'Orne | 2019/01/07 10:40 | Max Westphal v Piotr Matuszewski | 6-7,4-6 |
| ITF Czech Republic F8 | 2018/10/30 12:50 | Piotr Matuszewski v Isa Mammetgulyyev | 6-4,6-0 |
| 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 |