H2H data updated: 2026-07-18 19:16 UTC
Kei Nishikori vs Jason Zimmermann
Compare the head-to-head record, career totals, season-by-season performance, and match log for Kei Nishikori vs Jason Zimmermann.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
Japan
Age 36
Right-Handed
178 cm / 5'10"
H2H
0
–
0
0 main draw meetings
USA
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| No head-to-head meetings found. | ||||||||
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 |
| Jason Zimmermann | #1,363 | #840 | 14 | 1,500 | 0 | 0 | — | 0 | 0 | 0 | 0 | 0 | 0 |
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.
| Kei Nishikori | Jason Zimmermann | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 2007 | 3–5 | 37.5% | #286 | 1,576 | 0 | 0 | — | — | — | — | — | — | — |
| 2008 | 16–10 | 61.5% | #63 | 1,792 | 0 | 1 | — | — | — | — | — | — | — |
| 2009 | 3–6 | 33.3% | #418 | 1,743 | 0 | 1 | — | — | — | — | — | — | — |
| 2010 | 3–9 | 25.0% | #98 | 1,743 | 0 | 1 | — | — | — | — | — | — | — |
| 2011 | 32–22 | 59.3% | #25 | 1,922 | 0 | 1 | — | — | — | — | — | — | — |
| 2012 | 32–17 | 65.3% | #19 | 1,971 | 0 | 2 | — | — | — | — | — | — | — |
| 2013 | 34–19 | 64.2% | #17 | 1,940 | 0 | 3 | — | — | — | — | — | — | — |
| 2014 | 52–15 | 77.6% | #5 | 2,211 | 0 | 7 | — | — | — | — | — | — | — |
| 2015 | 51–17 | 75.0% | #8 | 2,131 | 0 | 10 | — | — | — | — | — | — | — |
| 2016 | 52–20 | 72.2% | #5 | 2,151 | 0 | 11 | — | — | — | — | — | — | — |
| 2017 | 30–14 | 68.2% | #22 | 2,067 | 0 | 11 | — | — | — | — | — | — | — |
| 2018 | 43–21 | 67.2% | #9 | 2,105 | 0 | 11 | — | — | — | — | — | — | — |
| 2019 | 29–14 | 67.4% | #13 | 2,001 | 0 | 12 | — | — | — | — | — | — | — |
| 2020 | 2–4 | 33.3% | #41 | 1,911 | 0 | 12 | — | — | — | — | — | — | — |
| 2021 | 24–15 | 61.5% | #47 | 1,945 | 0 | 12 | — | — | — | — | — | — | — |
| 2023 | 2–1 | 66.7% | #352 | 1,938 | 0 | 12 | — | — | — | — | — | — | — |
| 2024 | 7–8 | 46.7% | #106 | 1,863 | 0 | 12 | — | — | — | — | — | — | — |
| 2025 | 9–9 | 50.0% | #156 | 1,809 | 0 | 12 | — | — | — | — | — | — | — |