H2H data updated: 2026-07-18 02:15 UTC
Kei Nishikori vs Ivo Karlovic H2H: 3-1
Kei Nishikori holds a 3–1 lead over Ivo Karlovic in their ATP head-to-head. Across 4 main-draw meetings, Kei Nishikori leads 3–1 on hard courts. Most recently, Kei Nishikori won the 2019 Australian Open second round 6-3 7-6(6) 5-7 5-7 7-6(7).
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Japan
Age 36
Right-Handed
178 cm / 5'10"
H2H
3
–
1
4 main draw meetings
CRO
Age 47
Right-Handed
211 cm / 6'11"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jan 17, 2019* | Australian Open | Grand Slam | R64 | Hard | Kei Nishikori | 6-3 7-6(6) 5-7 5-7 7-6(7) | Ivo Karlovic | Match data |
| Sep 6, 2016* | US Open | Grand Slam | R16 | Hard | Kei Nishikori | 6-3 6-4 7-6(4) | Ivo Karlovic | Match data |
| Feb 16, 2014* | Memphis | ATP 250 | F | Hard | Kei Nishikori | 6-4 7-6(0) | Ivo Karlovic | Match data |
| Feb 28, 2013* | Delray Beach | ATP 250 | R32 | Hard | Ivo Karlovic | 5-4 (ret.) | 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 |
| Ivo Karlovic | #1,066 | #14 | 2,295 | 1,998 | 357 | 333 | 51.7% | 0 | 0 | 0 | 0 | 8 | 8 |
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 | Ivo Karlovic | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2001 | 0–1 | 0.0% | #193 | 1,500 | 0 | 0 |
| 23 | 2013 | 34–19 | 64.2% | #17 | 1,940 | 0 | 3 | 2002 | 1–2 | 33.3% | #201 | 1,454 | 0 | 0 |
| 24 | 2014 | 52–15 | 77.6% | #5 | 2,211 | 0 | 7 | 2003 | 9–7 | 56.2% | #73 | 1,666 | 0 | 0 |
| 25 | 2015 | 51–17 | 75.0% | #8 | 2,131 | 0 | 10 | 2004 | 16–24 | 40.0% | #61 | 1,667 | 0 | 0 |
| 26 | 2016 | 52–20 | 72.2% | #5 | 2,151 | 0 | 11 | 2005 | 17–22 | 43.6% | #70 | 1,739 | 0 | 0 |
| 27 | 2017 | 30–14 | 68.2% | #22 | 2,067 | 0 | 11 | 2006 | 16–18 | 47.1% | #98 | 1,632 | 0 | 0 |
| 28 | 2018 | 43–21 | 67.2% | #9 | 2,105 | 0 | 11 | 2007 | 45–21 | 68.2% | #22 | 1,940 | 0 | 3 |
| 29 | 2019 | 29–14 | 67.4% | #13 | 2,001 | 0 | 12 | 2008 | 29–25 | 53.7% | #26 | 1,815 | 0 | 4 |
| 30 | 2020 | 2–4 | 33.3% | #41 | 1,911 | 0 | 12 | 2009 | 21–22 | 48.8% | #37 | 1,795 | 0 | 4 |
| 31 | 2021 | 24–15 | 61.5% | #47 | 1,945 | 0 | 12 | 2010 | 16–9 | 64.0% | #73 | 1,864 | 0 | 4 |
| 32 | — | — | — | — | — | — | — | 2011 | 16–20 | 44.4% | #56 | 1,819 | 0 | 4 |
| 33 | 2023 | 2–1 | 66.7% | #352 | 1,938 | 0 | 12 | 2012 | 14–16 | 46.7% | #100 | 1,768 | 0 | 4 |
| 34 | 2024 | 7–8 | 46.7% | #106 | 1,863 | 0 | 12 | 2013 | 15–13 | 53.6% | #78 | 1,772 | 0 | 5 |
| 35 | 2025 | 9–9 | 50.0% | #156 | 1,809 | 0 | 12 | 2014 | 32–27 | 54.2% | #27 | 1,853 | 0 | 5 |
| 36 | — | — | — | — | — | — | — | 2015 | 38–25 | 60.3% | #23 | 1,916 | 0 | 6 |
| 37 | — | — | — | — | — | — | — | 2016 | 32–22 | 59.3% | #20 | 1,970 | 0 | 8 |
| 38 | — | — | — | — | — | — | — | 2017 | 15–20 | 42.9% | #80 | 1,770 | 0 | 8 |
| 39 | — | — | — | — | — | — | — | 2018 | 11–16 | 40.7% | #100 | 1,644 | 0 | 8 |
| 40 | — | — | — | — | — | — | — | 2019 | 11–15 | 42.3% | #95 | 1,668 | 0 | 8 |
| 41 | — | — | — | — | — | — | — | 2020 | 1–4 | 20.0% | #147 | 1,615 | 0 | 8 |
| 42 | — | — | — | — | — | — | — | 2021 | 2–4 | 33.3% | #279 | 1,623 | 0 | 8 |