Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Sharm El Sheikh | 2019/04/09 09:45 | Matuszewski, Piotr v Ruzgas, Marius | 7-6,6-3 |
| Oslo, Singles M-ITF-NOR-01A | 2019/03/05 09:00 | Stevens, Bart v Matuszewski, Piotr | 2-6,6-1,10-8 |
| Oslo, Singles M-ITF-NOR-01A | 2019/03/04 09:00 | Matuszewski, Piotr v Solberg, Christoffer | 7-6,6-4 |
| ITF M15 Kaarst | 2019/02/06 13:15 | Matuszewski, Piotr v Vadym Ursu | 6-7,0-6 |
| ITF M15 Kaarst | 2019/02/04 16:30 | de Rossi, Marco v Matuszewski, Piotr | 7-6,0-6,7-10 |
| ITF M15 Kaarst | 2019/02/04 08:30 | Hermans, Mats v Matuszewski, Piotr | 6-4,2-6,8-10 |
| ITF - M15 Bagnoles-de-l'Orne | 2019/01/09 09:00 | Matuszewski, Piotr v Voljacques, Hugo | 4-6,5-7 |
| ITF - M15 Bagnoles-de-l'Orne | 2019/01/07 15:50 | Gueydan, Quentin v Matuszewski, Piotr | 5-7,2-6 |
| ITF - M15 Sharm El Sheikh | 2019/04/04 08:00 | Daniel Michalski v Kiyamov, Timur | 7-6,6-1 |
| ITF - M15 Sharm El Sheikh | 2019/04/03 08:00 | Kiyamov, Timur v Petrenko, Anatoliy | 6-4,7-6 |
| ITF - M15 Sharm El Sheikh | 2019/03/27 11:55 | Kiyamov, Timur v Daniel Michalski | 4-6,6-7 |
| ITF - M15 Sharm El Sheikh | 2019/03/25 11:00 | Kiyamov, Timur v Hellfritsch, Lucas | 6-7,6-0,10-7 |
| ITF - M15 Sharm El Sheikh | 2019/03/25 08:00 | Kiyamov, Timur v Bronka, Adam | 6-1,6-1 |
| Kazan, Simples M-ITF-RUS-02A | 2019/03/14 10:10 | Kiyamov, Timur v Doumbia, Sadio | 1-6,1-6 |
| Kazan, Simples M-ITF-RUS-02A | 2019/03/13 07:00 | Fetisleam, Edris v Kiyamov, Timur | 2-6,6-3,5-7 |
| Aktobe, Singles Qualifying M-ITF-KAZ-02A | 2019/02/19 05:00 | Kalovelonis, Markos v Kiyamov, Timur | 7-5,6-4 |