H2H data updated: 2026-07-19 08:25 UTC

Christopher O'Connell vs John Isner H2H: 0-1

John Isner holds a 1–0 lead over Christopher O'Connell 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 Atlanta quarterfinal 7-6(5) 6-7(3) 6-4.

Australia Age 32 Right-Handed 183 cm / 6'0"
H2H
0 1
1 main draw meetings
USA Age 41 Right-Handed 208 cm / 6'10"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jul 31, 2021* Atlanta ATP 250 QF Hard John Isner #35 7-6(5) 6-7(3) 6-4 Christopher O'Connell #132 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
Christopher O'Connell #127 #53 930 1,820 62 96 39.2% 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 Christopher O'Connell John Isner
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
22 2007 8–5 61.5% #106 1,656 0 0
23 2017 0–2 0.0% #393 1,524 0 0 2008 11–19 36.7% #144 1,608 0 0
24 2009 27–18 60.0% #34 1,828 0 0
25 2010 38–20 65.5% #19 1,882 0 1
26 2020 1–2 33.3% #120 1,510 0 0 2011 34–19 64.2% #18 2,021 0 3
27 2021 4–9 30.8% #175 1,660 0 0 2012 38–18 67.9% #14 1,965 0 5
28 2022 6–12 33.3% #78 1,707 0 0 2013 38–22 63.3% #14 1,983 0 7
29 2023 19–23 45.2% #68 1,719 0 0 2014 37–21 63.8% #19 1,922 0 9
30 2024 17–22 43.6% #64 1,742 0 0 2015 45–23 66.2% #11 2,026 0 10
31 2025 13–20 39.4% #116 1,658 0 0 2016 30–20 60.0% #19 2,019 0 10
32 2026 2–6 25.0% #127 1,606 0 0 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