H2H data updated: 2026-07-18 07:16 UTC
Hyeon Chung vs John Isner H2H: 1-3
John Isner holds a 3–1 lead over Hyeon Chung in their ATP head-to-head. Across 4 main-draw meetings, John Isner leads 2–1 on hard courts and 1–0 on clay. Most recently, John Isner won the 2018 Miami Masters quarterfinal 6-1 6-4.
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South Korea
Right-Handed
188 cm / 6'2"
H2H
1
–
3
4 main draw meetings
USA
Age 41
Right-Handed
208 cm / 6'10"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Mar 30, 2018* | Miami Masters | Masters 1000 | QF | Hard | John Isner | 6-1 6-4 | Hyeon Chung | Match data |
| Jan 11, 2018* | Auckland | ATP 250 | R16 | Hard | Hyeon Chung | 7-6(3) 5-7 6-2 | John Isner | Match data |
| Aug 31, 2017* | US Open | Grand Slam | R64 | Hard | John Isner | 6-3 6-4 7-5 | Hyeon Chung | Match data |
| Apr 9, 2016* | Houston | ATP 250 | QF | Clay | John Isner | 7-6(5) 6-4 | Hyeon Chung | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hyeon Chung | #493 | #19 | 1,897 | 2,022 | 71 | 67 | 51.4% | 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.
| Hyeon Chung | John Isner | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 2013 | 0–1 | 0.0% | #550 | 1,494 | 0 | 0 | 2007 | 8–5 | 61.5% | #106 | 1,656 | 0 | 0 |
| 2015 | 9–9 | 50.0% | #51 | 1,703 | 0 | 0 | 2008 | 11–19 | 36.7% | #144 | 1,608 | 0 | 0 |
| 2016 | 6–13 | 31.6% | #104 | 1,656 | 0 | 0 | 2009 | 27–18 | 60.0% | #34 | 1,828 | 0 | 0 |
| 2017 | 21–18 | 53.8% | #58 | 1,869 | 0 | 0 | 2010 | 38–20 | 65.5% | #19 | 1,882 | 0 | 1 |
| 2018 | 29–18 | 61.7% | #25 | 1,871 | 0 | 0 | 2011 | 34–19 | 64.2% | #18 | 2,021 | 0 | 3 |
| 2019 | 6–8 | 42.9% | #128 | 1,850 | 0 | 0 | 2012 | 38–18 | 67.9% | #14 | 1,965 | 0 | 5 |
| — | — | — | — | — | — | — | 2013 | 38–22 | 63.3% | #14 | 1,983 | 0 | 7 |
| — | — | — | — | — | — | — | 2014 | 37–21 | 63.8% | #19 | 1,922 | 0 | 9 |
| — | — | — | — | — | — | — | 2015 | 45–23 | 66.2% | #11 | 2,026 | 0 | 10 |
| — | — | — | — | — | — | — | 2016 | 30–20 | 60.0% | #19 | 2,019 | 0 | 10 |
| — | — | — | — | — | — | — | 2017 | 36–21 | 63.2% | #17 | 1,984 | 0 | 12 |
| — | — | — | — | — | — | — | 2018 | 32–22 | 59.3% | #10 | 1,956 | 0 | 14 |
| — | — | — | — | — | — | — | 2019 | 29–17 | 63.0% | #19 | 1,921 | 0 | 15 |
| — | — | — | — | — | — | — | 2020 | 10–7 | 58.8% | #25 | 1,845 | 0 | 15 |
| — | — | — | — | — | — | — | 2021 | 23–11 | 67.6% | #24 | 1,933 | 0 | 16 |
| — | — | — | — | — | — | — | 2022 | 22–16 | 57.9% | #41 | 1,891 | 0 | 16 |
| — | — | — | — | — | — | — | 2023 | 9–14 | 39.1% | #172 | 1,698 | 0 | 16 |