Stadium: Center Court Round: 26 Ground: Hardcourt indoor
| Challenger Poznan | 2018/06/06 10:00 | Michal Dembek v Matteo Donati | 6-7,3-6 |
| ITF M15 Heraklion | 2020/10/28 13:15 | Zsombor Piros v Michal Dembek | 6-4,1-6,6-4 |
| ITF M15 Heraklion | 2020/10/27 07:00 | Giovanni Fonio v Michal Dembek | 3-6,7-6,1-10 |
| ITF M15 Heraklion | 2020/10/26 07:30 | Gabriel Donev v Michal Dembek | 1-6,2-6 |
| ITF M15 Heraklion | 2020/10/25 09:00 | Vasilios Caripi v Michal Dembek | 0-6,3-6 |
| ITF M15 Curtea de Arges | 2020/09/16 07:00 | Gabriel Donev v Michal Dembek | 6-3,6-1 |
| ITF M15 Bucharest | 2020/09/10 06:55 | Michal Dembek v Dan Added | 4-6,4-6 |
| ITF M15 Bucharest | 2020/09/09 09:20 | Michal Dembek v Nicolae Frunza | 6-0,7-6 |
| ITF M25 Poznan | 2020/08/25 11:55 | Felipe Meligeni Rodrigues Alves v Michal Dembek | 7-5,6-2 |
| Challenger Sophia Antipolis | 2019/04/05 10:00 | Matteo Donati v Dustin Brown | 5-7,2-6 |
| Challenger Sophia Antipolis | 2019/04/04 08:30 | Matteo Donati v Enzo Couacaud | 6-7,7-6,6-2 |
| Challenger Sophia Antipolis | 2019/04/01 11:50 | Matteo Donati v Kenny de Schepper | 6-2,6-0 |
| Challenger Marbella | 2019/03/27 11:40 | Thiago Monteiro v Matteo Donati | 7-6,6-4 |
| Challenger Marbella | 2019/03/25 16:40 | Jurij Rodionov v Matteo Donati | 6-3,4-6,4-6 |
| Challenger Santiago | 2019/03/06 14:00 | Matteo Donati v Tung-Lin Wu | 3-6,4-6 |
| ATP Sao Paulo | 2019/02/23 15:30 | Pedro Sakamoto v Matteo Donati | 6-1,6-4 |
| ATP Rio De Janeiro | 2019/02/16 18:00 | Matteo Donati v Rogerio Dutra Silva | 2-6,6-3,1-6 |