| World TeamTennis | Round | Result | H | A | 
		
			| 21.11. |  | McDonald M. - Giron M. |  | 5-2 |  |  | 
		
			| 20.11. |  | McDonald M. - Young D. |  | 5-2 |  |  | 
		
			| 18.11. |  | McDonald M. - Johnson S. |  | 5-40 |  |  | 
		
			| 17.11. |  | McDonald M. - Fritz T. |  | 5-3 |  |  | 
		
			| 16.11. |  | McDonald M. - Eubanks C. |  | 5-2 |  |  | 
		
			| 15.11. |  | McDonald M. - Young D. |  | 5-44 |  |  | 
		
			| Stockholm | Round | Result | H | A | 
		
			| 07.11. |  | Davidovich Fokina A. - McDonald M. | 1R | 6-2, 3-6, 7-5 | 1.90 | 1.89 | 
		
			| Paris | Round | Result | H | A | 
		
			| 01.11. |  | Lajovic D. - McDonald M. | 1R | 6-3, 6-4 | 2.80 | 1.45 | 
		
			| Saint Petersburg | Round | Result | H | A | 
		
			| 28.10. |  | Bautista-Agut R. - McDonald M. | R16 | 6-3, 6-2 | 1.56 | 2.46 | 
		
			| 26.10. |  | McDonald M. - Gerasimov E. | 1R | 7-5, 6-4 | 1.66 | 2.21 | 
		
			| Moscow | Round | Result | H | A | 
		
			| 21.10. |  | Simon G. - McDonald M. | R16 | 6-3, 6-2 | 3.87 | 1.26 | 
		
			| 20.10. |  | McDonald M. - Nishioka Y. | 1R | 6-3, 6-4 | 1.51 | 2.57 | 
		
			| Indian Wells | Round | Result | H | A | 
		
			| 10.10. |  | Medvedev D. - McDonald M. | 2R | 6-4, 6-2 | 1.07 | 9.15 | 
		
			| 07.10. |  | McDonald M. - Duckworth J. | 1R | 6-3, 6-3 | 1.85 | 1.95 | 
		
			| US Open | Round | Result | H | A | 
		
			| 02.09. |  | Nishikori K. - McDonald M. | 2R | 7-63, 6-3, 65-7, 2-6, 6-3 | 1.57 | 2.41 | 
		
			| 31.08. |  | McDonald M. - Goffin D. | 1R | 6-2, 7-5, 6-3 | 1.37 | 3.11 | 
		
			| Cincinnati | Round | Result | H | A | 
		
			| 18.08. |  | Medvedev D. - McDonald M. | 2R | 6-2, 6-2 | 1.14 | 5.77 | 
		
			| 17.08. |  | McDonald M. - Nakashima B. | 1R | 7-5, 6-2 | 2.24 | 1.65 | 
		
			| Toronto | Round | Result | H | A | 
		
			| 10.08. |  | Paire B. - McDonald M. | 1R | 6-3, 6-4 | 2.52 | 1.53 | 
		
			| Washington | Round | Result | H | A | 
		
			| 08.08. |  | Sinner J. - McDonald M. | F | 7-5, 4-6, 7-5 | 1.27 | 3.79 | 
		
			| 08.08. |  | McDonald M. - Nishikori K. | SF | 6-4, 3-6, 7-5 | 2.83 | 1.43 | 
		
			| 07.08. |  | McDonald M. - Kudla D. | QF | 6-3, 6-2 | 1.51 | 2.56 | 
		
			| 06.08. |  | McDonald M. - Ivashka I. | R16 | 6-4, 6-4 | 2.29 | 1.62 | 
		
			| 05.08. |  | McDonald M. - Paire B. | 2R | 66-7, 6-4, 6-4 | 1.47 | 2.70 | 
		
			| 04.08. |  | McDonald M. - Kyrgios N. | 1R | 6-4, 6-4 | 2.72 | 1.47 | 
		
			| Atlanta | Round | Result | H | A | 
		
			| 27.07. |  | Ruusuvuori E. - McDonald M. | 1R | 7-63, 7-5 | 1.94 | 1.87 | 
		
			| Los Cabos | Round | Result | H | A | 
		
			| 21.07. |  | Escobedo E. - McDonald M. | 1R | 6-3, 6-4 | 2.48 | 1.54 | 
		
			| Wimbledon | Round | Result | H | A | 
		
			| 28.06. |  | Khachanov K. - McDonald M. | 1R | 3-6, 6-3, 6-4, 7-63 | 1.59 | 2.39 | 
		
			| 24.06. |  | McDonald M. - Cressy M. | Q-3R | 3-6, 4-6, 6-3, 6-4, 6-4 | 1.31 | 3.37 | 
		
			| 23.06. |  | McDonald M. - Marchenko I. | Q-2R | 6-1, 3-6, 6-4 | 1.40 | 2.91 | 
		
			| 22.06. |  | McDonald M. - Coppejans K. | Q-1R | 65-7, 7-5, 6-2 | 1.11 | 6.61 | 
		
			| Nottingham 2 challenger | Round | Result | H | A | 
		
			| 19.06. |  | Bolt A. - McDonald M. | SF | 6-3, 6-4 | 3.69 | 1.26 | 
		
			| 19.06. |  | McDonald M. - Matusevich A. | QF | 6-2, 6-3 | 1.22 | 4.05 | 
		
			| 16.06. |  | McDonald M. - Zhang Z. | R16 | 6-4, 63-7, 6-4 | 1.17 | 4.75 | 
		
			| 14.06. |  | McDonald M. - Hoang A. | 1R | 6-4, 6-2 | 1.21 | 4.09 | 
		
			| Nottingham challenger | Round | Result | H | A | 
		
			| 07.06. |  | Donskoy E. - McDonald M. | 1R | 6-3, 7-5 | 4.77 | 1.17 | 
		
			| French Open | Round | Result | H | A | 
		
			| 02.06. |  | Garin C. - McDonald M. | 2R | 4-6, 4-6, 7-67, 6-3, 8-6 | 1.25 | 4.00 | 
		
			| 30.05. |  | McDonald M. - Ruusuvuori E. | 1R | 4-6, 6-3, 7-64, 6-3 | 1.29 | 3.62 | 
		
			| 28.05. |  | McDonald M. - Trungelliti M. | Q-3R | 6-4, 6-4 | 1.27 | 3.69 | 
		
			| 26.05. |  | McDonald M. - Olivo R. | Q-2R | 6-3, 6-4 | 1.26 | 3.77 | 
		
			| 25.05. |  | McDonald M. - Kokkinakis T. | Q-1R | 6-4, 6-4 | 2.26 | 1.61 | 
		
			| Geneva | Round | Result | H | A | 
		
			| 17.05. |  | Ivashka I. - McDonald M. | Q-QF | 6-4, 6-3 | 1.41 | 2.84 | 
		
			| 16.05. |  | McDonald M. - Gunneswaran P. | Q-R16 | 6-3, 3-6, 6-3 | 1.30 | 3.43 | 
		
			| Heilbronn challenger | Round | Result | H | A | 
		
			| 14.05. |  | Galan D. - McDonald M. | SF | 6-4, 64-7, 7-5 | 1.99 | 1.77 | 
		
			| 13.05. |  | McDonald M. - Menezes J. | QF | 6-3, 6-3 | 1.33 | 3.19 | 
		
			| 12.05. |  | McDonald M. - Coppejans K. | R16 | 6-4, 4-6, 6-3 | 1.56 | 2.34 | 
		
			| 11.05. |  | McDonald M. - Vukic A. | 1R | 6-3, 4-3 | 1.43 | 2.73 | 
		
			| Biella 6 challenger | Round | Result | H | A | 
		
			| 05.05. |  | Mayer L. - McDonald M. | R16 | 60-7, 6-2, 6-4 | 3.21 | 1.33 | 
		
			| 04.05. |  | McDonald M. - Cerundolo J. | 1R | 3-6, 6-4, 6-3 | 1.53 | 2.42 | 
		
			| Munich | Round | Result | H | A | 
		
			| 28.04. |  | Ivashka I. - McDonald M. | R16 | 67-7, 6-1, 6-2 | 1.49 | 2.64 | 
		
			| 27.04. |  | McDonald M. - Lajovic D. | 1R | 6-4, 6-4 | 2.41 | 1.56 | 
		
			| 25.04. |  | McDonald M. - Martin A. | Q-QF | 6-3, 6-2 | 1.91 | 1.84 | 
		
			| 24.04. |  | McDonald M. - Gojowczyk P. | Q-R16 | 6-1, 6-2 | 1.94 | 1.81 | 
		
			| Orlando challenger | Round | Result | H | A | 
		
			| 13.04. |  | Harrison C. - McDonald M. | 1R | 7-5, 6-3 | 3.28 | 1.31 | 
		
			| Miami | Round | Result | H | A | 
		
			| 27.03. |  | Isner J. - McDonald M. | 2R | 2-6, 6-3, 7-5 | 2.06 | 1.76 | 
		
			| 24.03. |  | McDonald M. - Pospisil V. | 1R | 6-3, 4-6, 6-3 | 1.83 | 1.98 | 
		
			| 23.03. |  | McDonald M. - Karlovic I. | Q-2R | 7-63, 6-4 | 1.22 | 4.23 | 
		
			| 22.03. |  | McDonald M. - Cid Subervi R. | Q-1R | 6-1, 6-1 | 1.06 | 9.09 | 
		
			| Marseille | Round | Result | H | A | 
		
			| 10.03. |  | Khachanov K. - McDonald M. | R16 | 7-64, 6-4 | 1.41 | 2.90 | 
		
			| 09.03. |  | McDonald M. - Travaglia S. | 1R | 7-62, 7-61 | 1.48 | 2.65 | 
		
			| Nur-Sultan 2 challenger | Round | Result | H | A | 
		
			| 04.03. |  | Machac T. - McDonald M. | R16 | 6-4, 6-1 | 2.27 | 1.60 | 
		
			| 02.03. |  | McDonald M. - Schnur B. | 1R | 6-3, 4-6, 6-4 | 1.09 | 7.01 | 
		
			| Nur-Sultan challenger | Round | Result | H | A | 
		
			| 28.02. |  | McDonald M. - Rodionov J. | F | 6-1, 6-2 | 1.30 | 3.35 | 
		
			| 27.02. |  | McDonald M. - Laaksonen H. | SF | 6-2, 6-1 | 1.41 | 2.75 | 
		
			| 26.02. |  | McDonald M. - Silva F. | QF | 6-4, 3-6, 7-63 | 1.19 | 4.32 | 
		
			| 24.02. |  | McDonald M. - Istomin D. | R16 | 6-2, 6-3 | 1.23 | 3.94 | 
		
			| 22.02. |  | McDonald M. - Kukushkin M. | 1R | 7-5, 7-5 | 1.61 | 2.25 | 
		
			| Australian Open | Round | Result | H | A | 
		
			| 15.02. |  | Medvedev D. - McDonald M. | R16 | 6-4, 6-2, 6-3 | 1.04 | 12.40 | 
		
			| 13.02. |  | McDonald M. - Harris L. | 3R | 7-67, 6-1, 6-4 | 2.08 | 1.76 | 
		
			| 11.02. |  | McDonald M. - Coric B. | 2R | 6-4, 6-2, 4-6, 6-4 | 4.84 | 1.19 | 
		
			| 09.02. |  | McDonald M. - Cecchinato M. | 1R | 3-6, 6-3, 6-2, 6-2 | 1.35 | 3.21 | 
		
			| Murray River Open (Melbourne) | Round | Result | H | A | 
		
			| 03.02. |  | Bolt A. - McDonald M. | 2R | 6-4, 67-7, 7-5 | 3.14 | 1.36 | 
		
			| 01.02. |  | McDonald M. - Gasquet R. | 1R | 7-62, 7-5 | 2.65 | 1.47 | 
		
			| Delray Beach | Round | Result | H | A | 
		
			| 08.01. |  | Querrey S. - McDonald M. | 1R | 6-3, 6-4 | 1.90 | 1.89 |