Challenger Tiburon | 10/01 19:50 | 28 | Darian King v Mackenzie McDonald | 4-6,7-5,7-5 | |
Challenger Tiburon | 09/30 20:50 | 27 | Frances Tiafoe v Mackenzie McDonald | 6-3,6-7,5-7 | |
Challenger Tiburon | 09/29 18:00 | 26 | Mackenzie McDonald v Salvatore Caruso | 7-6,6-2 | |
Challenger Tiburon | 09/27 21:25 | 25 | Peter Polansky v Mackenzie McDonald | 3-6,4-6 | |
ITF USA F29 | 09/25 17:00 | 29 | Mackenzie McDonald v Jan Choinski | 6-0,6-3 | |
ITF USA F29 | 09/24 17:00 | 28 | Mackenzie McDonald v Alexios Halebian | 6-2,6-4 | |
ITF USA F29 | 09/23 17:00 | 27 | Mackenzie McDonald v Miomir Kecmanovic | 7-5,6-2 | |
ITF USA F29 | 09/22 17:00 | 26 | Mackenzie McDonald v Joseph Digiulio | 4-6,6-1,6-2 | |
ITF USA F29 | 09/21 18:30 | 25 | Mackenzie McDonald v Ty Trombetta | 6-2,6-4 | |
Challenger Cary | 09/13 16:00 | 25 | Tennys Sandgren v Mackenzie McDonald | 6-4,6-3 | |
Challenger Cary Qual | 09/12 16:00 | 54 | Mackenzie McDonald v Wil Spencer | 6-2,6-4 | |
Challenger Cary Qual | 09/11 15:45 | 46 | Mackenzie McDonald v Julian Bradley | 6-3,6-2 | |
Challenger Cary Qual | 09/10 17:40 | 45 | Mackenzie McDonald v Robbie Mudge | 6-3,6-0 | |
US Open | 08/29 18:50 | 23 | Jan Satral v Mackenzie McDonald | 4-6,3-6,6-3,6-2,6-2 | |
Challenger Aptos | 08/11 01:10 | 26 | Eric Quigley v Mackenzie McDonald | 5-7,6-4,6-2 | |
Challenger Aptos | 08/09 21:45 | 25 | Mackenzie McDonald v Stefan Kozlov | 6-1,6-4 | |
ATP Washington Qual | 07/16 15:20 | 45 | Mackenzie McDonald v Alejandro Falla | 3-6,6-3,6-7 | |
ATP Newport | 07/11 18:20 | 25 | Rajeev Ram v Mackenzie McDonald | 6-2,6-3 | |
ITF USA F23 | 06/28 14:00 | 25 | Mackenzie McDonald v Clay Thompson | 4-6,6-2,1-6 | |
ITF USA F1 | 01/06 01:00 | 25 | Evan King v Mackenzie McDonald | 6-3,6-2 | |
Challenger Knoxville | 11/11 15:00 | 25 | Mackenzie McDonald v Sekou Bangoura | 4-6,3-6 | |
Challenger Tiburon | 10/03 18:00 | 28 | Denis Kudla v Mackenzie McDonald | 6-2,1-6,6-4 | |
Challenger Tiburon | 10/02 19:00 | 27 | Mackenzie McDonald v Bjorn Fratangelo | Retired | |
Challenger Tiburon | 10/01 18:00 | 26 | Sekou Bangoura v Mackenzie McDonald | 3-6,6-3,6-7 | |
Challenger Tiburon | 09/29 20:55 | 25 | Mackenzie McDonald v Frederik Nielsen | 6-4,6-4 | |
ITF USA F27 | 09/24 17:00 | 26 | Ryan Shane v Mackenzie McDonald | 6-4,7-5 | |
ITF USA F27 | 09/23 18:00 | 25 | Mackenzie McDonald v Miomir Kecmanovic | 6-4,7-6 | |
ITF USA F26 | 09/20 17:00 | 29 | Mackenzie McDonald v Deiton Baughman | 6-2,3-6,3-6 | |
ITF USA F26 | 09/19 18:35 | 28 | Collin Altamirano v Mackenzie McDonald | 2-6,2-6 | |
ITF USA F26 | 09/18 17:00 | 27 | Tom Fawcett v Mackenzie McDonald | 2-6,4-6 |
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.