Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2019/04/09 09:45 | Piotr Matuszewski v Marius Ruzgas | 7-6,6-3 |
| ITF M15 Oslo | 2019/03/05 09:00 | Bart Stevens v Piotr Matuszewski | 2-6,6-1,10-8 |
| ITF M15 Oslo | 2019/03/04 09:00 | Piotr Matuszewski v Christoffer Solberg | 7-6,6-4 |
| ITF M15 Kaarst | 2019/02/06 13:15 | Piotr Matuszewski v Vadym Ursu | 6-7,0-6 |
| ITF M15 Kaarst | 2019/02/04 16:30 | Marco De Rossi v Piotr Matuszewski | 7-6,0-6,7-10 |
| ITF M15 Kaarst | 2019/02/04 08:30 | Mats Hermans v Piotr Matuszewski | 6-4,2-6,8-10 |
| 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 Sharm El Sheikh | 2019/04/04 08:00 | Daniel Michalski v Timur Kiyamov | 7-6,6-1 |
| ITF M15 Sharm El Sheikh | 2019/04/03 08:00 | Timur Kiyamov v Anatoliy Petrenko | 6-4,7-6 |
| ITF M15 Sharm El Sheikh | 2019/03/27 11:55 | Timur Kiyamov v Daniel Michalski | 4-6,6-7 |
| ITF M15 Sharm El Sheikh | 2019/03/25 11:00 | Timur Kiyamov v Lucas Hellfritsch | 6-7,6-0,10-7 |
| ITF M15 Sharm El Sheikh | 2019/03/25 08:00 | Timur Kiyamov v Adam Bronka | 6-1,6-1 |
| ITF M25 Kazan | 2019/03/14 10:10 | Timur Kiyamov v Sadio Doumbia | 1-6,1-6 |
| ITF M25 Kazan | 2019/03/13 07:00 | Edris Fetisleam v Timur Kiyamov | 2-6,6-3,5-7 |
| ITF M25 Aktobe | 2019/02/19 05:00 | Markos Kalovelonis v Timur Kiyamov | 7-5,6-4 |