H2H data updated: 2026-07-19 02:51 UTC

John Isner vs Ryan Harrison H2H: 8-3

John Isner holds a 8–3 lead over Ryan Harrison in their ATP head-to-head. Across 11 main-draw meetings, they are tied 3–3 on hard courts, while John Isner leads 3–0 on clay. Most recently, John Isner won the 2018 Atlanta final 5-7 6-3 6-4.

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John Isner
USA Age 41 Right-Handed 208 cm / 6'10"
H2H
8 – 3
11 main draw meetings
Ryan Harrison
USA Age 34 Right-Handed 185 cm / 6'1"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jul 29, 2018* Atlanta ATP 250 F Hard John Isner #9 5-7 6-3 6-4 Ryan Harrison #53 Match data
May 9, 2018* Madrid Masters Masters 1000 R32 Clay John Isner #9 7-6(1) 7-6(7) Ryan Harrison #59 Match data
Feb 28, 2018* Acapulco ATP 500 R32 Hard Ryan Harrison #60 6-3 7-6(5) John Isner #19 Match data
Jul 30, 2017* Atlanta ATP 250 F Hard John Isner #20 7-6(6) 7-6(7) Ryan Harrison #42 Match data
Jul 28, 2016* Canada Masters Masters 1000 R32 Hard Ryan Harrison #144 7-6(3) 6-7(4) 6-4 John Isner #16 Match data
Jul 11, 2013* Newport ATP 250 R32 Grass John Isner #19 7-6(0) 6-2 Ryan Harrison #110 Match data
May 30, 2013* Roland Garros Grand Slam R64 Clay John Isner #21 5-7 6-7(7) 6-3 6-1 8-6 Ryan Harrison #92 Match data
Apr 11, 2013* Houston ATP 250 R32 Clay John Isner #23 7-6(4) 6-4 Ryan Harrison #93 Match data
Jan 11, 2013* Sydney ATP 250 R16 Hard Ryan Harrison #68 6-4 6-4 John Isner #13 Match data
Jul 14, 2012* Newport ATP 250 SF Grass John Isner #11 7-6(4) 6-3 Ryan Harrison #48 Match data
Feb 18, 2010* Memphis ATP 250 R32 Hard John Isner #25 6-1 7-5 Ryan Harrison #326 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
John Isner #660 #8 3,720 2,053 467 293 61.4% 0 1 0 0 15 16
Ryan Harrison #1,551 #40 1,160 1,893 117 155 43.0% 0 0 0 0 1 1

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 John Isner Ryan Harrison
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 — — — — — — — 2008 1–1 50.0% #748 1,509 0 0
18 — — — — — — — 2010 4–9 30.8% #173 1,620 0 0
19 — — — — — — — 2011 14–19 42.4% #79 1,730 0 0
20 — — — — — — — 2012 21–20 51.2% #69 1,776 0 0
21 — — — — — — — 2013 11–21 34.4% #100 1,734 0 0
22 2007 8–5 61.5% #106 1,656 0 0 2014 5–13 27.8% #191 1,731 0 0
23 2008 11–19 36.7% #144 1,608 0 0 2015 5–8 38.5% #112 1,683 0 0
24 2009 27–18 60.0% #34 1,828 0 0 2016 11–11 50.0% #90 1,822 0 0
25 2010 38–20 65.5% #19 1,882 0 1 2017 20–23 46.5% #47 1,813 0 1
26 2011 34–19 64.2% #18 2,021 0 3 2018 21–21 50.0% #62 1,780 0 1
27 2012 38–18 67.9% #14 1,965 0 5 2019 3–7 30.0% #302 1,672 0 1
28 2013 38–22 63.3% #14 1,983 0 7 2020 1–1 50.0% #479 1,653 0 1
29 2014 37–21 63.8% #19 1,922 0 9 2021 0–1 0.0% #456 1,630 0 1
30 2015 45–23 66.2% #11 2,026 0 10 — — — — — — —
31 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 — — — — — — —