ATP Shanghai | 10/08 08:15 | 24 | [78] Mackenzie McDonald v Milos Raonic [20] | 6-3,5-7,6-3 | |
ATP Shanghai | 10/07 06:20 | 46 | [102] Radu Albot v Mackenzie McDonald [81] | 6-2,3-6,1-6 | |
ATP Shanghai | 10/06 06:45 | 45 | [87] Evgeny Donskoy v Mackenzie McDonald [81] | 3-6,4-6 | |
ATP Tokyo | 09/29 04:45 | 64 | [80] Mackenzie McDonald v Tatsuma Ito [184] | 4-6,6-1,3-6 | |
ATP Shenzhen | 09/27 08:45 | 26 | [40] Alex De Minaur v Mackenzie McDonald [80] | 1-6,7-6,6-0 | |
ATP Shenzhen | 09/25 12:00 | 25 | [77] Lukas Lacko v Mackenzie McDonald [80] | Retired | |
US Open | 08/28 19:25 | 23 | [79] Mackenzie McDonald v Robin Haase [49] | 6-4,6-4,3-6,1-6,3-6 | |
ATP Cincinnati | 08/12 23:00 | 24 | [83] Mackenzie McDonald v Kyle Edmund [16] | 3-6,2-6 | |
ATP Toronto | 08/07 16:15 | 24 | [83] Mackenzie McDonald v Ryan Harrison [57] | 4-6,2-6 | |
ATP Toronto Qual | 08/05 15:00 | 46 | [63] Daniil Medvedev v Mackenzie McDonald [80] | 7-6,6-4 | |
ATP Toronto Qual | 08/04 15:00 | 45 | [249] Brayden Schnur v Mackenzie McDonald [80] | 7-6,3-6,3-6 | |
ATP Washington | 07/31 02:00 | 24 | Mackenzie McDonald v Andy Murray | 6-3,4-6,5-7 | |
Wimbledon | 07/09 12:20 | 26 | [103] Mackenzie McDonald v Milos Raonic [32] | 3-6,4-6,7-6,2-6 | |
Wimbledon | 07/06 17:05 | 25 | [82] Guido Pella v Mackenzie McDonald [103] | 4-6,4-6,6-7 | |
Wimbledon | 07/04 12:15 | 24 | [103] Mackenzie McDonald v Nicolas Jarry [66] | 7-6,5-7,3-6,6-2,11-9 | |
Wimbledon | 07/02 12:50 | 23 | [96] Ricardas Berankis v Mackenzie McDonald [103] | 6-4,6-7,3-6,6-7 | |
ATP Queens Qual | 06/17 10:30 | 164 | [59] Julien Benneteau v Mackenzie McDonald [110] | 7-5,6-3 | |
ATP Queens Qual | 06/16 12:25 | 64 | [120] Bjorn Fratangelo v Mackenzie McDonald [110] | 3-6,7-5,2-6 | |
ATP Hertogenbosch | 06/15 09:00 | 27 | [72] Jeremy Chardy v Mackenzie McDonald [110] | 6-4,4-6,7-6 | |
ATP Hertogenbosch | 06/14 14:20 | 26 | [176] Alex Bolt v Mackenzie McDonald [110] | 4-6,5-7 | |
ATP Hertogenbosch | 06/12 12:00 | 25 | [110] Mackenzie McDonald v Andreas Seppi [49] | 6-4,6-2 | |
Challenger Surbiton | 06/07 11:10 | 26 | [107] Mackenzie McDonald v Matthew Ebden [73] | 3-6,7-6,3-6 | |
Challenger Surbiton | 06/05 10:00 | 25 | [107] Mackenzie McDonald v Peter Polansky [124] | 6-7,7-5,6-3 | |
Challenger Busan | 05/18 05:15 | 27 | [188] Filip Peliwo v Mackenzie McDonald [110] | 2-6,6-3,7-6 | |
Challenger Busan | 05/16 04:00 | 26 | [300] Kaichi Uchida v Mackenzie McDonald [110] | 6-7,3-6 | |
Challenger Busan | 05/15 02:00 | 25 | [231] Brayden Schnur v Mackenzie McDonald [110] | 6-2,2-6,1-6 | |
Challenger Gimcheon | 05/11 05:00 | 27 | [114] Mackenzie McDonald v Soonwoo Kwon [187] | 5-7,5-7 | |
Challenger Gimcheon | 05/09 02:00 | 26 | [114] Mackenzie McDonald v Filip Peliwo [192] | 4-6,6-3,6-1 | |
Challenger Gimcheon | 05/08 02:00 | 25 | [114] Mackenzie McDonald v Ze Zhang [263] | 7-6,7-6 | |
Challenger Seoul | 05/06 07:00 | 29 | [94] Jordan Thompson v Mackenzie McDonald [146] | 6-1,4-6,1-6 |
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.