H2H data updated: 2026-07-18 01:16 UTC
Kei Nishikori vs John Isner H2H: 2-1
Kei Nishikori holds a 2–1 lead over John Isner in their ATP head-to-head. Across 3 main-draw meetings, Kei Nishikori leads 2–1 on hard courts. Most recently, Kei Nishikori won the 2016 Indian Wells Masters fourth round 1-6 7-6(2) 7-6(5).
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Japan
Age 36
Right-Handed
178 cm / 5'10"
H2H
2
–
1
3 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 17, 2016* | Indian Wells Masters | Masters 1000 | R16 | Hard | Kei Nishikori | 1-6 7-6(2) 7-6(5) | John Isner | Match data |
| Aug 9, 2015* | Washington | ATP 500 | F | Hard | Kei Nishikori | 4-6 6-4 6-4 | John Isner | Match data |
| Apr 3, 2015* | Miami Masters | Masters 1000 | QF | Hard | John Isner | 6-4 6-3 | Kei Nishikori | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kei Nishikori | #464 | #4 | 6,385 | 2,245 | 424 | 226 | 65.2% | 0 | 0 | 0 | 5 | 7 | 12 |
| 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 | Kei Nishikori | John Isner | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 2007 | 3–5 | 37.5% | #286 | 1,576 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 2008 | 16–10 | 61.5% | #63 | 1,792 | 0 | 1 | — | — | — | — | — | — | — |
| 19 | 2009 | 3–6 | 33.3% | #418 | 1,743 | 0 | 1 | — | — | — | — | — | — | — |
| 20 | 2010 | 3–9 | 25.0% | #98 | 1,743 | 0 | 1 | — | — | — | — | — | — | — |
| 21 | 2011 | 32–22 | 59.3% | #25 | 1,922 | 0 | 1 | — | — | — | — | — | — | — |
| 22 | 2012 | 32–17 | 65.3% | #19 | 1,971 | 0 | 2 | 2007 | 8–5 | 61.5% | #106 | 1,656 | 0 | 0 |
| 23 | 2013 | 34–19 | 64.2% | #17 | 1,940 | 0 | 3 | 2008 | 11–19 | 36.7% | #144 | 1,608 | 0 | 0 |
| 24 | 2014 | 52–15 | 77.6% | #5 | 2,211 | 0 | 7 | 2009 | 27–18 | 60.0% | #34 | 1,828 | 0 | 0 |
| 25 | 2015 | 51–17 | 75.0% | #8 | 2,131 | 0 | 10 | 2010 | 38–20 | 65.5% | #19 | 1,882 | 0 | 1 |
| 26 | 2016 | 52–20 | 72.2% | #5 | 2,151 | 0 | 11 | 2011 | 34–19 | 64.2% | #18 | 2,021 | 0 | 3 |
| 27 | 2017 | 30–14 | 68.2% | #22 | 2,067 | 0 | 11 | 2012 | 38–18 | 67.9% | #14 | 1,965 | 0 | 5 |
| 28 | 2018 | 43–21 | 67.2% | #9 | 2,105 | 0 | 11 | 2013 | 38–22 | 63.3% | #14 | 1,983 | 0 | 7 |
| 29 | 2019 | 29–14 | 67.4% | #13 | 2,001 | 0 | 12 | 2014 | 37–21 | 63.8% | #19 | 1,922 | 0 | 9 |
| 30 | 2020 | 2–4 | 33.3% | #41 | 1,911 | 0 | 12 | 2015 | 45–23 | 66.2% | #11 | 2,026 | 0 | 10 |
| 31 | 2021 | 24–15 | 61.5% | #47 | 1,945 | 0 | 12 | 2016 | 30–20 | 60.0% | #19 | 2,019 | 0 | 10 |
| 32 | — | — | — | — | — | — | — | 2017 | 36–21 | 63.2% | #17 | 1,984 | 0 | 12 |
| 33 | 2023 | 2–1 | 66.7% | #352 | 1,938 | 0 | 12 | 2018 | 32–22 | 59.3% | #10 | 1,956 | 0 | 14 |
| 34 | 2024 | 7–8 | 46.7% | #106 | 1,863 | 0 | 12 | 2019 | 29–17 | 63.0% | #19 | 1,921 | 0 | 15 |
| 35 | 2025 | 9–9 | 50.0% | #156 | 1,809 | 0 | 12 | 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 |