| Mas Palomas challenger | Round | Result | H | A | 
		
			| 29.11. |  | Llamas Ruiz P. - Michalski D. | 1R | 6-1, 6-4 | 1.64 | 2.19 | 
		
			| Valencie challenger | Round | Result | H | A | 
		
			| 22.11. |  | Moroni G. - Michalski D. | 1R | 6-3, 6-3 | 1.64 | 2.19 | 
		
			| Futures 2022 | Round | Result | H | A | 
		
			| 19.11. |  | Weis A. - Michalski D. | SF | 6-0, 6-3 | 2.48 | 1.47 | 
		
			| 18.11. |  | Michalski D. - Jecan M. | QF | 6-3, 6-3 | 1.15 | 4.62 | 
		
			| 17.11. |  | Michalski D. - Polukhin S. | R16 | 6-1, 7-5 | 1.25 | 3.58 | 
		
			| 16.11. |  | Michalski D. - Shrolik I. | 1R | 6-2, 6-0 | 1.05 | 7.63 | 
		
			| 11.11. |  | Tomescu D. - Michalski D. | QF | 6-0, 6-4 | 3.86 | 1.20 | 
		
			| 10.11. |  | Michalski D. - Galoppini D. | R16 | 7-5, 6-2 | 1.11 | 5.15 | 
		
			| 08.11. |  | Michalski D. - Denolly C. | 1R | 6-0, 6-3 | 1.58 | 2.22 | 
		
			| 04.11. |  | Cungu R. - Michalski D. | QF | 7-5, 3-6, 6-0 | 5.20 | 1.12 | 
		
			| 03.11. |  | Michalski D. - Mora M. | R16 | 6-4, 7-5 | 1.52 | 2.44 | 
		
			| 02.11. |  | Michalski D. - Klok D. | 1R | 7-5, 2-6, 6-4 | 1.06 | 7.40 | 
		
			| 22.10. |  | Michalski D. - Stodder T. | F | 7-60, 6-3 | 1.98 | 1.73 | 
		
			| 21.10. |  | Michalski D. - Weis A. | SF | 6-2, 6-3 | 1.51 | 2.37 | 
		
			| 20.10. |  | Michalski D. - Forti F. | QF | 6-2, 6-2 | 1.84 | 1.86 | 
		
			| 19.10. |  | Michalski D. - Galoppini D. | R16 | 6-2, 7-64 | 1.13 | 4.96 | 
		
			| 18.10. |  | Michalski D. - Speziali F. | 1R | 6-4, 7-5 | 1.12 | 5.13 | 
		
			| 15.10. |  | Stodder T. - Michalski D. | SF | 6-2, 7-5 | 1.80 | 1.91 | 
		
			| 14.10. |  | Michalski D. - Cretu C. | QF | 6-2, 6-1 | 1.51 | 2.37 | 
		
			| 14.10. |  | Michalski D. - Sakellaridis S. | R16 | 6-2, 5-4 | 1.06 | 7.45 | 
		
			| 10.10. |  | Michalski D. - Ciavarella N. | 1R | 6-0, 6-3 | 1.05 | 8.20 | 
		
			| Lisbon challenger | Round | Result | H | A | 
		
			| 27.09. |  | Cecchinato M. - Michalski D. | 1R | 6-1, 6-2 | 1.30 | 3.37 | 
		
			| 26.09. |  | Jahn J. - Michalski D. | Q-R16 | 6-3, 6-2 | 2.72 | 1.41 | 
		
			| 25.09. |  | Michalski D. - Cervantes I. | Q-1R | 6-2, 4-6, 7-66 |  |  | 
		
			| Braga challenger | Round | Result | H | A | 
		
			| 19.09. |  | Muller A. - Michalski D. | 1R | 7-64, 6-2 | 1.55 | 2.36 | 
		
			| Szczecin challenger | Round | Result | H | A | 
		
			| 14.09. |  | Carballes Baena R. - Michalski D. | R16 | 6-1, 6-2 | 1.14 | 6.11 | 
		
			| 12.09. |  | Michalski D. - Diaz Acosta F. | 1R | 5-7, 7-5, 6-3 | 2.72 | 1.42 | 
		
			| Futures 2022 | Round | Result | H | A | 
		
			| 21.07. |  | Compagnucci T. - Michalski D. | R16 | 3-6, 6-4, 6-2 | 5.10 | 1.13 | 
		
			| 19.07. |  | Michalski D. - Rikl P. | 1R | 6-3, 5-7, 6-3 | 1.17 | 4.46 | 
		
			| Polish national championship | Round | Result | H | A | 
		
			| 16.07. |  | Michalski D. - Zielinski J. | F | 6-3, 6-2 |  |  | 
		
			| 15.07. |  | Michalski D. - Peliwo F. | SF | 7-63, 6-3 |  |  | 
		
			| 14.07. |  | Michalski D. - Juszczak P. | QF | 6-2, 6-2 |  |  | 
		
			| 13.07. |  | Michalski D. - Bojarski A. | R16 | 6-1, 6-0 |  |  | 
		
			| 12.07. |  | Michalski D. - Pawelski M. | 2R | 6-2, 6-0 |  |  | 
		
			| Troyes challenger | Round | Result | H | A | 
		
			| 29.06. |  | Brancaccio R. - Michalski D. | R16 | 5-7, 6-4, 6-2 | 2.08 | 1.70 | 
		
			| 27.06. |  | Michalski D. - Boscardin Dias P. | 1R | 6-2, 3-6, 6-1 | 1.44 | 2.65 | 
		
			| Oeiras 3 challenger | Round | Result | H | A | 
		
			| 24.06. |  | Coppejans K. - Michalski D. | QF | 5-7, 7-62, 6-3 | 1.57 | 2.32 | 
		
			| 22.06. |  | Michalski D. - Araujo P. | R16 | 6-3, 6-3 | 1.29 | 3.38 | 
		
			| 20.06. |  | Michalski D. - Hassan B. | 1R | 6-4, 6-4 | 1.67 | 2.12 | 
		
			| Poznan challenger | Round | Result | H | A | 
		
			| 31.05. |  | Kravchenko G. - Michalski D. | 1R | 7-5, 6-2 | 3.37 | 1.29 | 
		
			| 30.05. |  | Michalski D. - Gerch L. | Q-R16 | 7-5, 5-7, 6-0 | 1.37 | 2.90 | 
		
			| 29.05. |  | Michalski D. - Chandrasekar A. | Q-1R | 6-2, 6-1 |  |  | 
		
			| Troisdorf challenger | Round | Result | H | A | 
		
			| 24.05. |  | Safiullin R. - Michalski D. | 1R | 6-0, 6-1 | 1.53 | 2.38 | 
		
			| Tunis challenger | Round | Result | H | A | 
		
			| 18.05. |  | Kuhn N. - Michalski D. | R16 | 6-2, 7-61 | 1.94 | 1.80 | 
		
			| 16.05. |  | Michalski D. - Krstin P. | 1R | 6-4, 6-0 | 1.40 | 2.80 | 
		
			| Prague 2 challenger | Round | Result | H | A | 
		
			| 03.05. |  | Gaio F. - Michalski D. | 1R | 6-3, 6-1 | 2.01 | 1.75 | 
		
			| 02.05. |  | Michalski D. - Kamke T. | Q-R16 |  | 1.52 | 2.35 | 
		
			| 01.05. |  | Michalski D. - Fayziev S. | Q-1R | 5-7, 6-2, 6-1 | 1.10 | 6.31 | 
		
			| Ostrava challenger | Round | Result | H | A | 
		
			| 27.04. |  | Sachko V. - Michalski D. | R16 | 6-4, 4-6, 6-2 | 2.09 | 1.70 | 
		
			| 26.04. |  | Michalski D. - Moraing M. | 1R | 6-3, 7-5 | 2.40 | 1.53 | 
		
			| 25.04. |  | Michalski D. - Bobrov B. | Q-R16 | 6-3, 6-3 | 1.11 | 5.82 | 
		
			| 24.04. |  | Michalski D. - Lomakin G. | Q-1R | 6-3, 6-1 | 1.10 | 5.45 | 
		
			| Split challenger | Round | Result | H | A | 
		
			| 18.04. |  | Arnaldi M. - Michalski D. | Q-R16 | 6-1, 6-2 | 2.12 | 1.65 | 
		
			| 17.04. |  | Michalski D. - Barun B. | Q-1R | 6-2, 6-4 | 1.03 | 10.38 | 
		
			| Oeiras challenger | Round | Result | H | A | 
		
			| 30.03. |  | Rubin N. - Michalski D. | 1R | 4-6, 6-3, 6-1 | 2.68 | 1.44 | 
		
			| Zadar challenger | Round | Result | H | A | 
		
			| 27.03. |  | Cobolli F. - Michalski D. | F | 6-4, 6-2 | 1.56 | 2.36 | 
		
			| 26.03. |  | Michalski D. - Sanchez Jover C. | SF | 3-6, 6-2, 6-2 | 1.51 | 2.44 | 
		
			| 25.03. |  | Michalski D. - Svrcina D. | QF | 6-3, 6-1 | 2.40 | 1.53 | 
		
			| 24.03. |  | Michalski D. - Fatic N. | R16 | 7-5, 6-1 | 1.99 | 1.77 | 
		
			| 22.03. |  | Michalski D. - Poljicak M. | 1R | 6-2, 4-6, 7-5 | 1.12 | 5.83 | 
		
			| 21.03. |  | Michalski D. - Perchicot M. | Q-R16 | 7-5, 3-6, 6-2 | 1.29 | 3.37 | 
		
			| 20.03. |  | Michalski D. - Simundza J. | Q-1R | 6-2, 6-1 | 1.01 | 12.83 | 
		
			| Futures 2022 | Round | Result | H | A | 
		
			| 27.02. |  | Cuevas M. - Michalski D. | SF | 6-1, 6-4 | 1.97 | 1.74 | 
		
			| 26.02. |  | Michalski D. - Fonio G. | QF | 6-3, 4-6, 7-5 | 1.51 | 2.38 | 
		
			| 25.02. |  | Michalski D. - Krutykh O. | R16 | 4-6, 7-5, 6-3 | 1.33 | 2.11 | 
		
			| 24.02. |  | Michalski D. - Chepelev A. | 1R | 6-2, 6-1 | 1.21 | 3.68 | 
		
			| 19.02. |  | Cuevas M. - Michalski D. | SF | 6-4, 2-6, 6-4 | 2.20 | 1.56 | 
		
			| 18.02. |  | Michalski D. - Droguet T. | QF | 6-4, 7-61 | 1.71 | 1.99 | 
		
			| 17.02. |  | Michalski D. - Ilhan M. | R16 | 6-2, 6-1 | 1.12 | 5.53 | 
		
			| 16.02. |  | Michalski D. - Tabacco G. | 1R | 6-2, 6-2 | 1.18 | 4.28 | 
		
			| 26.01. |  | Krainer L. - Michalski D. | 1R | 7-5, 6-2 | 6.75 | 1.07 | 
		
			| 23.01. |  | Michalski D. - Pichler D. | F | 6-4, 6-3 | 1.33 | 3.09 | 
		
			| 22.01. |  | Michalski D. - Bonadio R. | SF | 6-3, 7-5 | 1.65 | 2.10 | 
		
			| 21.01. |  | Michalski D. - Klok D. | QF | 3-6, 6-0, 6-3 | 1.12 | 5.18 | 
		
			| 20.01. |  | Michalski D. - Jones M. | R16 | 6-2, 7-5 | 1.06 | 7.72 | 
		
			| 19.01. |  | Michalski D. - El Sallaly A. | 1R | 6-3, 6-1 | 1.02 | 10.65 | 
		
			| 16.01. |  | Michalski D. - Chepelev A. | F | 7-63, 6-2 | 1.35 | 2.93 | 
		
			| 15.01. |  | Michalski D. - Klok D. | SF | 1-6, 6-2, 6-3 | 1.08 | 6.78 | 
		
			| 14.01. |  | Michalski D. - Beauge M. | QF | 6-2, 6-3 | 1.16 | 4.52 | 
		
			| 13.01. |  | Michalski D. - Benitez Chavarriaga J. | R16 | 6-4, 6-2 | 1.33 | 3.04 | 
		
			| 12.01. |  | Michalski D. - Grynkowski P. | 1R | 6-1, 6-1 | 1.07 | 6.88 |