H2H data updated: 2026-07-18 02:15 UTC
Kei Nishikori vs Ryan Harrison H2H: 3-0
Kei Nishikori holds a 3–0 lead over Ryan Harrison in their ATP head-to-head. Across 3 main-draw meetings, Kei Nishikori leads 3–0 on hard courts. Most recently, Kei Nishikori won the 2016 Memphis fourth round 6-2 7-5.
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Japan
Age 36
Right-Handed
178 cm / 5'10"
H2H
3
–
0
3 main draw meetings
USA
Age 34
Right-Handed
185 cm / 6'1"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Feb 12, 2016* | Memphis | ATP 250 | R16 | Hard | Kei Nishikori | 6-2 7-5 | Ryan Harrison | Match data |
| Mar 15, 2015* | Indian Wells Masters | Masters 1000 | R64 | Hard | Kei Nishikori | 6-4 6-4 | Ryan Harrison | Match data |
| Feb 13, 2015* | Memphis | ATP 250 | R16 | Hard | Kei Nishikori | 3-6 6-3 6-4 | Ryan Harrison | 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 |
| 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 | Kei Nishikori | Ryan Harrison | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | — | — | — | — | — | — | — | 2008 | 1–1 | 50.0% | #748 | 1,509 | 0 | 0 |
| 17 | 2007 | 3–5 | 37.5% | #286 | 1,576 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 2008 | 16–10 | 61.5% | #63 | 1,792 | 0 | 1 | 2010 | 4–9 | 30.8% | #173 | 1,620 | 0 | 0 |
| 19 | 2009 | 3–6 | 33.3% | #418 | 1,743 | 0 | 1 | 2011 | 14–19 | 42.4% | #79 | 1,730 | 0 | 0 |
| 20 | 2010 | 3–9 | 25.0% | #98 | 1,743 | 0 | 1 | 2012 | 21–20 | 51.2% | #69 | 1,776 | 0 | 0 |
| 21 | 2011 | 32–22 | 59.3% | #25 | 1,922 | 0 | 1 | 2013 | 11–21 | 34.4% | #100 | 1,734 | 0 | 0 |
| 22 | 2012 | 32–17 | 65.3% | #19 | 1,971 | 0 | 2 | 2014 | 5–13 | 27.8% | #191 | 1,731 | 0 | 0 |
| 23 | 2013 | 34–19 | 64.2% | #17 | 1,940 | 0 | 3 | 2015 | 5–8 | 38.5% | #112 | 1,683 | 0 | 0 |
| 24 | 2014 | 52–15 | 77.6% | #5 | 2,211 | 0 | 7 | 2016 | 11–11 | 50.0% | #90 | 1,822 | 0 | 0 |
| 25 | 2015 | 51–17 | 75.0% | #8 | 2,131 | 0 | 10 | 2017 | 20–23 | 46.5% | #47 | 1,813 | 0 | 1 |
| 26 | 2016 | 52–20 | 72.2% | #5 | 2,151 | 0 | 11 | 2018 | 21–21 | 50.0% | #62 | 1,780 | 0 | 1 |
| 27 | 2017 | 30–14 | 68.2% | #22 | 2,067 | 0 | 11 | 2019 | 3–7 | 30.0% | #302 | 1,672 | 0 | 1 |
| 28 | 2018 | 43–21 | 67.2% | #9 | 2,105 | 0 | 11 | 2020 | 1–1 | 50.0% | #479 | 1,653 | 0 | 1 |
| 29 | 2019 | 29–14 | 67.4% | #13 | 2,001 | 0 | 12 | 2021 | 0–1 | 0.0% | #456 | 1,630 | 0 | 1 |
| 30 | 2020 | 2–4 | 33.3% | #41 | 1,911 | 0 | 12 | — | — | — | — | — | — | — |
| 31 | 2021 | 24–15 | 61.5% | #47 | 1,945 | 0 | 12 | — | — | — | — | — | — | — |
| 33 | 2023 | 2–1 | 66.7% | #352 | 1,938 | 0 | 12 | — | — | — | — | — | — | — |
| 34 | 2024 | 7–8 | 46.7% | #106 | 1,863 | 0 | 12 | — | — | — | — | — | — | — |
| 35 | 2025 | 9–9 | 50.0% | #156 | 1,809 | 0 | 12 | — | — | — | — | — | — | — |