ATP Eastbourne | 06/29 13:55 | 27 | [64] Mackenzie McDonald v Mikael Ymer [61] | 6-4,3-6,6-3 | |
ATP Eastbourne | 06/28 10:00 | 26 | [9] Taylor Fritz v Mackenzie McDonald [64] | 6-7,6-7 | |
ATP Eastbourne | 06/27 10:00 | 25 | [88] Marco Cecchinato v Mackenzie McDonald [64] | 3-6,3-6 | |
ATP Queens | 06/19 15:35 | 25 | [107] Diego Schwartzman v Mackenzie McDonald [67] | 6-2,6-4 | |
ATP Queens | 06/18 10:00 | 19 | [46] J.J. Wolf v Mackenzie McDonald [68] | 4-6,4-6 | |
ATP Queens | 06/17 12:30 | 26 | [106] Jeremy Chardy v Mackenzie McDonald [68] | 2-6,6-7 | |
ATP Hertogenbosch | 06/16 09:00 | 27 | [68] Mackenzie McDonald v Rinky Hijikata [133] | 7-5,3-6,1-6 | |
ATP Hertogenbosch | 06/14 14:10 | 26 | [15] Borna Coric v Mackenzie McDonald [68] | 4-6,4-6 | |
ATP Hertogenbosch | 06/13 13:10 | 25 | [68] Mackenzie McDonald v Ilya Ivashka [87] | 6-4,6-3 | |
Challenger Surbiton | 06/06 14:50 | 25 | [76] Jordan Thompson v Mackenzie McDonald [59] | 6-4,6-4 | |
French Open | 05/28 11:35 | 23 | [59] Mackenzie McDonald v Sebastian Korda [30] | 4-6,5-7,4-6 | |
ATP Rome | 05/11 11:55 | 23 | [83] Marco Cecchinato v Mackenzie McDonald [55] | 6-3,7-5 | |
Challenger Cagliari | 05/04 09:40 | 26 | [54] Mackenzie McDonald v Taro Daniel [109] | 2-6,3-6 | |
ATP Madrid | 04/27 16:50 | 23 | [54] Mackenzie McDonald v Bernabe Zapata Miralles [42] | 6-3,3-6,6-7 | |
ATP Barcelona | 04/17 09:00 | 24 | [52] Mackenzie McDonald v Ben Shelton [39] | 5-7,4-6 | |
ATP Monte Carlo | 04/10 11:55 | 24 | [186] Ivan Gakhov v Mackenzie McDonald [55] | 7-6,2-6,6-3 | |
ATP Monte Carlo | 04/10 09:00 | 24 | Brandon Nakashima v Mackenzie McDonald | Cancelled | |
ATP Miami | 03/27 16:45 | 25 | [79] Quentin Halys v Mackenzie McDonald [55] | 7-6,6-3 | |
ATP Miami | 03/25 17:00 | 24 | [55] Mackenzie McDonald v Matteo Berrettini [23] | 7-6,7-6 | |
ATP Miami | 03/23 19:30 | 23 | [89] Daniel Elahi Galan v Mackenzie McDonald [55] | 4-6,2-6 | |
ATP Indian Wells | 03/12 02:20 | 24 | [53] Mackenzie McDonald v Holger Rune [8] | 5-7,3-6 | |
ATP Indian Wells | 03/09 19:00 | 23 | [53] Mackenzie McDonald v Filip Krajinovic [74] | 6-3,6-0 | |
ATP Acapulco | 03/02 22:30 | 27 | [62] Mackenzie McDonald v Tommy Paul [23] | 2-6,2-6 | |
ATP Acapulco | 03/02 00:00 | 26 | [62] Mackenzie McDonald v Brandon Nakashima [49] | 6-2,6-0 | |
ATP Acapulco | 03/01 02:50 | 25 | [184] Luciano Darderi v Mackenzie McDonald [62] | 4-6,2-6 | |
ATP Acapulco | 03/01 01:20 | 25 | Carlos Alcaraz v Mackenzie McDonald | Cancelled | |
ATP Delray Beach | 02/19 01:00 | 28 | [7] Taylor Fritz v Mackenzie McDonald [56] | 6-3,7-6 | |
ATP Delray Beach | 02/18 00:10 | 27 | [87] Michael Mmoh v Mackenzie McDonald [56] | 6-3,3-6,4-6 | |
ATP Delray Beach | 02/15 19:45 | 26 | [56] Mackenzie McDonald v Yoshihito Nishioka [34] | 6-3,3-6,6-2 | |
ATP Delray Beach | 02/14 18:40 | 25 | [106] Taro Daniel v Mackenzie McDonald [56] | 2-6,2-6 |
Michael Mackenzie Lowe McDonald (born April 16, 1995) is an American professional tennis player. He reached a career-high singles ranking of world No. 37 in singles and No. 49 in doubles in October 2023. He won the 2016 NCAA Division I Tennis Championships in both singles and doubles.