Stadium: Court 9 Round: 45 Ground: Hardcourt indoor
| 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 |
| ITF Greece F8 | 2018/11/13 13:25 | Tim Heger v Christoffer Solberg | 7-6,6-1 |
| ITF Estonia F3 | 2018/11/06 14:30 | Christoffer Solberg v Karl Kiur Saar | 6-7,4-6 |
| ITF Portugal F20 | 2018/10/10 09:00 | Christoffer Solberg v Fred Gil | 2-6,4-6 |
| ITF Sweden F4 | 2018/09/24 11:00 | Michal Konecny v Christoffer Solberg | 6-3,6-2 |
| ITF Sweden F4 | 2018/09/23 09:00 | Christoffer Solberg v Erik Grevelius | 6-3,6-7,7-6 |
| ITF Sweden F4 | 2018/09/22 11:35 | Christoffer Solberg v Oliver Andersson | 6-3,1-6,6-3 |
| ITF Finland F3 | 2018/08/14 11:25 | Christoffer Solberg v Patrik Niklas-Salminen | 0-6,1-6 |
| ITF Finland F2 | 2018/08/08 09:55 | George Loffhagen v Christoffer Solberg | 6-4,6-2 |