H2H data updated: 2026-07-20 07:16 UTC

Mackenzie McDonald vs John Isner H2H: 0-1

John Isner holds a 1–0 lead over Mackenzie McDonald in their ATP head-to-head. Across 1 main-draw meeting, John Isner leads 1–0 on hard courts. Most recently, John Isner won the 2021 Miami Masters second round 2-6 6-3 7-5.

United States Age 31 Right-Handed 178 cm / 5'10"
H2H
0 1
1 main draw meetings
USA Age 41 Right-Handed 208 cm / 6'10"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Mar 27, 2021* Miami Masters Masters 1000 R64 Hard John Isner #28 2-6 6-3 7-5 Mackenzie McDonald #120 Match data

* Estimated match date where the exact historical date is unavailable.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 Finals 500 250 Titles
Mackenzie McDonald #140 #37 1,146 1,868 113 146 43.6% 0 0 0 0 0 0
John Isner #660 #8 3,720 2,053 467 293 61.4% 0 1 0 0 15 16

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Age Mackenzie McDonald John Isner
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 2013 0–1 0.0% #673 1,533 0 0
21 2016 0–3 0.0% #321 1,452 0 0
22 2007 8–5 61.5% #106 1,656 0 0
23 2018 9–13 40.9% #78 1,693 0 0 2008 11–19 36.7% #144 1,608 0 0
24 2019 10–12 45.5% #129 1,716 0 0 2009 27–18 60.0% #34 1,828 0 0
25 2020 4–8 33.3% #193 1,684 0 0 2010 38–20 65.5% #19 1,882 0 1
26 2021 18–19 48.6% #55 1,787 0 0 2011 34–19 64.2% #18 2,021 0 3
27 2022 26–28 48.1% #63 1,721 0 0 2012 38–18 67.9% #14 1,965 0 5
28 2023 31–27 53.4% #41 1,830 0 0 2013 38–22 63.3% #14 1,983 0 7
29 2024 4–13 23.5% #131 1,672 0 0 2014 37–21 63.8% #19 1,922 0 9
30 2025 9–17 34.6% #114 1,647 0 0 2015 45–23 66.2% #11 2,026 0 10
31 2026 2–5 28.6% #140 1,589 0 0 2016 30–20 60.0% #19 2,019 0 10
32 2017 36–21 63.2% #17 1,984 0 12
33 2018 32–22 59.3% #10 1,956 0 14
34 2019 29–17 63.0% #19 1,921 0 15
35 2020 10–7 58.8% #25 1,845 0 15
36 2021 23–11 67.6% #24 1,933 0 16
37 2022 22–16 57.9% #41 1,891 0 16
38 2023 9–14 39.1% #172 1,698 0 16