| ITF - M25 Santa Margherita | 10/23 12:00 | 25 | Loccisano, Benjamin v Daniel Michalski | 2-6,2-6 | |
| ITF - M25 Santa Margherita | 10/19 10:10 | 27 | [201] Oriol Roca Batalla v Daniel Michalski [256] | 5-7,6-3,6-2 | |
| ITF - M25 Santa Margherita | 10/18 08:00 | 26 | Stefano Reitano v Daniel Michalski | 6-7,1-6 | |
| ITF - M25 Santa Margherita | 10/17 10:05 | 25 | Pietro Marino v Daniel Michalski | 7-6,3-6,4-6 | |
| ITF - M25 Santa Margherita | 09/27 08:30 | 26 | Tommaso Compagnucci v Daniel Michalski | 6-3,1-6,6-1 | |
| ITF - M25 Santa Margherita | 09/26 08:00 | 25 | [481] Dax Donders v Daniel Michalski [276] | 3-6,3-6 | |
| ITF - M25 Santa Margherita | 09/23 09:00 | 29 | Daniel Michalski v Federico Arnaboldi | 2-6,6-4,6-2 | |
| ITF - M25 Santa Margherita | 09/22 11:00 | 28 | Daniel Michalski v Gabriele Piraino | 6-1,6-2 | |
| ITF - M25 Santa Margherita | 09/21 10:30 | 27 | Daniel Michalski v Antonio Caruso | 6-2,6-1 | |
| ITF - M25 Santa Margherita | 09/20 08:30 | 26 | Daniel Michalski v Daniel Bagnolini | 6-1,6-2 | |
| ITF - M25 Santa Margherita | 09/18 13:00 | 25 | Daniel Michalski v Gabriele Maria Noce | 6-3,6-1 | |
| Challenger Szczecin | 09/11 14:30 | 25 | [186] Adrian Andreev v Daniel Michalski [269] | 6-1,6-7,6-4 | |
| Challenger Seville | 09/04 18:40 | 25 | [129] Timofey Skatov v Daniel Michalski [269] | 6-1,5-7,6-3 | |
| Challenger Todi | 08/15 17:20 | 25 | [118] Zsombor Piros v Daniel Michalski [268] | 6-2,6-4 | |
| Challenger Meerbusch | 08/08 16:05 | 25 | [413] Max Hans Rehberg v Daniel Michalski [265] | 2-6,6-1,6-4 | |
| Challenger Liberec | 08/03 12:45 | 26 | [263] Daniel Michalski v Dalibor Svrcina [170] | 5-7,6-4,3-6 | |
| Challenger Liberec | 07/31 14:00 | 25 | [287] Max Houkes v Daniel Michalski [263] | 5-7,4-6 | |
| Challenger Tampere | 07/21 11:30 | 27 | [305] Henri Squire v Daniel Michalski [271] | 7-5,1-6,6-3 | |
| Challenger Tampere | 07/19 14:05 | 26 | [271] Daniel Michalski v Riccardo Bonadio [189] | Retired | |
| Challenger Tampere | 07/17 14:50 | 25 | Patrick Kaukovalta v Daniel Michalski | 3-6,6-7 | |
| Challenger Modena | 06/28 13:45 | 26 | [271] Daniel Michalski v Emilio Nava [210] | 2-6,2-6 | |
| Challenger Modena | 06/27 11:50 | 25 | [299] Alibek Kachmazov v Daniel Michalski [271] | 4-6,0-6 | |
| Poznan, Poland | 06/22 11:00 | 27 | [319] Timo Stodder v Daniel Michalski [272] | 6-1,6-4 | |
| Poznan, Poland | 06/21 11:25 | 26 | [272] Daniel Michalski v Rudolf Molleker [264] | 6-4,6-2 | |
| Poznan, Poland | 06/19 16:05 | 25 | [272] Daniel Michalski v Mate Valkusz [207] | 5-7,6-4,6-1 | |
| Challenger Bratislava | 06/13 11:00 | 25 | [272] Daniel Michalski v Federico Coria [93] | 0-6,2-6 | |
| Lyon, France | 05/20 12:35 | 14 | [374] Matteo Martineau v Daniel Michalski [289] | 6-3,6-4 | |
| Challenger - Oeiras | 05/15 09:00 | 19 | [230] Alessandro Giannessi v Daniel Michalski [289] | 6-4,6-4 | |
| Challenger - Oeiras | 05/14 11:00 | 14 | [295] Jaime Faria v Daniel Michalski [289] | 6-1,3-6,3-6 | |
| ITF - M25 Santa Margherita | 05/06 07:55 | 29 | [354] Sebastian Fanselow v Daniel Michalski [272] | 1-6,2-6 |