Round: 1
| Challenger Bergamo | 2020/02/20 10:00 | Baptiste Crepatte v Daniel Michalski | 2-6,6-4,6-3 |
| Challenger Bergamo | 2020/02/18 09:00 | Daniel Michalski v Francesco Maestrelli | 6-2,4-6,6-2 |
| ITF M15 Antalya | 2020/02/15 08:20 | Baran Cengiz v Daniel Michalski | 7-5,7-5 |
| ITF M15 Antalya | 2020/02/06 07:00 | Giovanni Fonio v Daniel Michalski | 4-6,6-4,6-3 |
| ITF M15 Antalya | 2020/02/05 07:00 | Gustaf Strom v Daniel Michalski | 6-7,0-6 |
| ITF M15 Cairo | 2019/12/06 08:00 | Facundo Juarez v Daniel Michalski | 3-6,7-5,7-5 |
| ITF M15 Cairo | 2019/12/05 09:00 | Dennis Uspensky v Daniel Michalski | 4-6,4-6 |
| ITF M15 Cairo | 2019/12/04 09:10 | Ignacio Monzon v Daniel Michalski | 2-6,1-6 |
| Challenger Szczecin | 2019/09/11 11:30 | Filip Kolasinski v Facundo Arguello | 4-6,6-7 |
| Challenger Szczecin | 2019/09/10 16:15 | Filip Kolasinski v Louis Wessels | 6-3,7-5 |
| ITF M25 Poznan | 2019/08/22 14:25 | Diego Hidalgo v Filip Kolasinski | 6-3,7-5 |
| ITF M25 Poznan | 2019/08/21 10:00 | Piotr Matuszewski v Filip Kolasinski | 2-6,6-4,5-7 |
| ITF M25 Poznan | 2019/08/20 08:00 | Karol Drzewiecki v Filip Kolasinski | 7-5,5-7,10-12 |
| ITF M15 Irpin | 2019/08/14 07:30 | Vladyslav Orlov v Filip Kolasinski | 6-1,6-4 |
| ITF M15 Irpin | 2019/08/13 10:20 | Filip Kolasinski v Aleksandr Braynin | 6-4,6-0 |
| ITF M15 Irpin | 2019/08/12 12:00 | Simonas Zukauskas v Filip Kolasinski | 1-6,1-6 |