| ITF - M15 Antalya | 11/24 09:15 | 25 | Ezequiel Simonit v Daniel Michalski | 1-6,3-6 | |
| ITF - M15 Antalya | 11/21 07:00 | 29 | Daniel Michalski v Billy Harris | 2-6,6-1,6-3 | |
| ITF - M15 Antalya | 11/20 07:00 | 28 | Bogdan Ionut Apostol v Daniel Michalski | 6-7,1-6 | |
| ITF - M15 Antalya | 11/19 06:15 | 27 | [432] Daniel Michalski v Mircea-Alexandru Jecan [380] | 6-3,6-0 | |
| ITF - M15 Antalya | 11/18 06:25 | 26 | Daniel Michalski v Ilya Snitari | 7-6,7-6 | |
| ITF - M15 Antalya | 11/16 06:30 | 25 | Daniel Michalski v Baran Cengiz | 6-1,6-1 | |
| Challenger - Tenerife | 10/31 10:30 | 14 | [459] Daniel Michalski v Elliot Benchetrit [363] | 6-4,1-6,2-6 | |
| ITF - M15 Antalya | 10/24 06:55 | 29 | [443] Nicholas D Ionel v Daniel Michalski [449] | 3-6,4-6 | |
| ITF - M15 Antalya | 10/23 06:55 | 28 | [444] Juan Pablo Paz v Daniel Michalski [449] | 3-6,2-6 | |
| ITF - M15 Antalya | 10/22 07:00 | 27 | Gergely Madarasz v Daniel Michalski | 4-6,4-6 | |
| ITF - M15 Antalya | 10/21 10:10 | 26 | Andrey Chepelev v Daniel Michalski | 2-6,2-6 | |
| ITF - M15 Antalya | 10/20 09:05 | 25 | Antonin Bolardt v Daniel Michalski | 3-6,2-6 | |
| ITF - M15 Antalya | 10/15 07:00 | 27 | Daniel Michalski v Savva Polukhin | 5-7,6-4,4-6 | |
| ITF - M15 Antalya | 10/14 10:05 | 26 | Daniel Michalski v Lukas H Lilleengen | Retired | |
| ITF - M15 Antalya | 10/12 08:40 | 25 | Daniel Michalski v Santiago De La Fuente | 6-1,6-1 | |
| Challenger - Lissabon | 09/30 14:40 | 26 | [238] Joao Domingues v Daniel Michalski [484] | 6-2,6-2 | |
| Challenger - Lissabon | 09/28 15:15 | 25 | [484] Daniel Michalski v Taro Daniel [111] | 7-6,5-7,6-2 | |
| Challenger - Lissabon | 09/27 11:30 | 19 | [486] Lucas Gerch v Daniel Michalski [484] | 6-7,3-6 | |
| Challenger - Lissabon | 09/26 14:00 | 14 | [458] Daniel Michalski v Giovanni Fonio [439] | 6-4,7-5 | |
| Challenger - Braga | 09/20 09:00 | 19 | [458] Daniel Michalski v Santiago F R Taverna [409] | 2-6,3-6 | |
| Challenger - Braga | 09/19 09:00 | 14 | [343] Nicolas Moreno De Alboran v Daniel Michalski [458] | 4-6,4-6 | |
| Challenger - Stettin | 09/13 13:40 | 25 | [458] Daniel Michalski v Thai-Son Kwiatkowski [218] | 3-6,6-4,1-6 | |
| Challenger - Warschau | 08/25 08:00 | 25 | [448] Daniel Michalski v Nino Serdarusic [272] | 3-6,4-6 | |
| Challenger - Warschau | 08/23 09:00 | 19 | [399] Christopher Heyman v Daniel Michalski [448] | 5-7,3-6 | |
| Challenger - Warschau | 08/22 09:00 | 14 | Wojciech Marek v Daniel Michalski | 6-7,1-6 | |
| ITF M15 - Łódź | 08/20 10:15 | 27 | [423] Daniel Michalski v Gilbert Klier Junior [468] | 6-4,3-6,3-6 | |
| ITF M15 - Łódź | 08/19 10:30 | 26 | Daniel Michalski v Szymon Kielan | 3-6,7-5,6-3 | |
| ITF M15 - Łódź | 08/18 11:40 | 25 | Daniel Michalski v Piotr Grynkowski | 6-1,6-1 | |
| ITF M15 - Gdynia | 08/13 12:00 | 27 | [423] Daniel Michalski v Fabian Marozsan [488] | 4-6,3-6 | |
| ITF M15 - Gdynia | 08/12 10:30 | 26 | Daniel Michalski v Michal Dembek | 7-6,4-6,6-3 |