Challenger Jingshan 09/27 02:30 27 [169] Bernard Tomic v Mackenzie McDonald [96] 5-7,6-7
Challenger Jingshan 09/26 02:00 26 [192] Gauthier Onclin v Mackenzie McDonald [96] 6-7,4-6
Challenger Jingshan 09/24 04:30 25 [244] Rigele Te v Mackenzie McDonald [96] 4-6,4-6
ATP Chengdu 09/20 05:00 26 [98] Mackenzie McDonald v Nikoloz Basilashvili [114] 2-6,6-7
ATP Chengdu 09/18 07:35 25 [98] Mackenzie McDonald v Botic Van De Zandschulp [83] 6-4,3-6,6-3
ATP Chengdu 09/17 07:20 19 [98] Mackenzie McDonald v Nicolai Budkov Kjaer [158] 4-6,7-5,6-0
ATP Chengdu 09/16 08:45 14 [98] Mackenzie McDonald v James McCabe [179] Retired
US Open 08/25 20:00 23 [144] Jan-Lennard Struff v Mackenzie McDonald [100] 3-6,7-6,6-3,6-3
ATP Winston-Salem 08/19 20:40 25 [102] Mackenzie McDonald v Luciano Darderi [34] 6-7,7-6,4-6
ATP Winston-Salem 08/17 23:45 24 [95] Mackenzie McDonald v Brandon Holt [106] 6-4,6-7,7-6
ATP Cincinnati 08/07 23:00 23 [46] Corentin Moutet v Mackenzie McDonald [96] 7-5,6-3
ATP Toronto 07/30 21:10 24 [96] Mackenzie McDonald v Jiri Lehecka [27] 6-7,4-6
ATP Toronto 07/28 15:00 23 [96] Mackenzie McDonald v David Goffin [65] 6-4,6-4
ATP Washington 07/22 22:00 25 [8] Ben Shelton v Mackenzie McDonald [95] 6-3,6-4
ATP Washington 07/21 18:00 24 [95] Mackenzie McDonald v Colton Smith [139] 6-4,6-1
Wimbledon 06/30 14:45 23 [88] Mackenzie McDonald v Karen Khachanov [20] 5-7,4-6,4-6
ATP Eastbourne 06/21 15:40 14 [303] George Loffhagen v Mackenzie McDonald [98] 6-4,7-6
ATP Queens 06/18 18:25 26 [9] Holger Rune v Mackenzie McDonald [98] 2-6,6-1,6-1
ATP Queens 06/16 16:55 25 [98] Mackenzie McDonald v UT Martin Women [42] 6-4,6-4
ATP Queens 06/15 11:00 19 [427] Henry Searle v Mackenzie McDonald [99] 4-6,2-6
ATP Queens 06/14 11:00 14 [99] Mackenzie McDonald v Aleksandar Kovacevic [76] 6-2,7-6
ATP Hertogenbosch 06/11 13:25 26 [99] Mackenzie McDonald v Karen Khachanov [24] 3-6,7-5,6-7
ATP Hertogenbosch 06/10 09:00 25 [99] Mackenzie McDonald v Mattia Bellucci [72] 6-1,6-7,6-3
ATP Hertogenbosch 06/09 11:45 19 Mackenzie McDonald v Thijs Boogaard 7-6,6-1
ATP Hertogenbosch 06/08 14:00 14 [98] Mackenzie McDonald v Ryan Peniston [269] 6-3,6-3
Challenger Birmingham 06/03 10:00 25 [197] Alex Bolt v Mackenzie McDonald [98] 6-4,7-6
French Open 05/27 13:15 23 [98] Mackenzie McDonald v Novak Djokovic [6] 3-6,3-6,3-6
ATP Madrid 04/21 11:35 14 [133] Matthew Grimley v Mackenzie McDonald [97] Retired
ATP Munich 04/12 12:50 14 Diego Dedura-Palomero v Mackenzie McDonald 6-3,6-1
ATP Houston 04/03 19:00 26 [100] Mackenzie McDonald v Brandon Nakashima [33] 1-6,5-7

Wikipedia - Mackenzie McDonald

Michael Mackenzie Lowe McDonald (born April 16, 1995) is an American professional tennis player. He has a career-high singles ranking of world No. 37, achieved on October 16, 2023 and a doubles ranking of No. 49, achieved on October 2, 2023.

McDonald won the 2016 NCAA Division I Tennis Championships in both singles and doubles.