H2H data updated: 2026-07-19 14:15 UTC
Kei Nishikori vs Sam Groth H2H: 2-0
Kei Nishikori holds a 2–0 lead over Sam Groth in their ATP head-to-head. Across 2 main-draw meetings, Kei Nishikori leads 1–0 on grass and 1–0 on hard courts. Most recently, Kei Nishikori won the 2016 Wimbledon first round 6-4 6-3 7-5.
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Japan
Age 36
Right-Handed
178 cm / 5'10"
H2H
2
–
0
2 main draw meetings
AUS
Age 38
Right-Handed
193 cm / 6'4"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jun 29, 2016* | Wimbledon | Grand Slam | R128 | Grass | Kei Nishikori | 6-4 6-3 7-5 | Sam Groth | Match data |
| Aug 8, 2015* | Washington | ATP 500 | QF | Hard | Kei Nishikori | 6-4 6-4 | Sam Groth | 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 |
| Sam Groth | #1,155 | #53 | 843 | 1,848 | 36 | 57 | 38.7% | 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.
| Age | Kei Nishikori | Sam Groth | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2008 | 1–1 | 50.0% | #278 | 1,557 | 0 | 0 |
| 21 | 2011 | 32–22 | 59.3% | #25 | 1,922 | 0 | 1 | 2009 | 1–2 | 33.3% | #279 | 1,549 | 0 | 0 |
| 22 | 2012 | 32–17 | 65.3% | #19 | 1,971 | 0 | 2 | — | — | — | — | — | — | — |
| 23 | 2013 | 34–19 | 64.2% | #17 | 1,940 | 0 | 3 | — | — | — | — | — | — | — |
| 24 | 2014 | 52–15 | 77.6% | #5 | 2,211 | 0 | 7 | — | — | — | — | — | — | — |
| 25 | 2015 | 51–17 | 75.0% | #8 | 2,131 | 0 | 10 | 2013 | 1–3 | 25.0% | #172 | 1,553 | 0 | 0 |
| 26 | 2016 | 52–20 | 72.2% | #5 | 2,151 | 0 | 11 | 2014 | 9–13 | 40.9% | #81 | 1,707 | 0 | 0 |
| 27 | 2017 | 30–14 | 68.2% | #22 | 2,067 | 0 | 11 | 2015 | 18–21 | 46.2% | #60 | 1,795 | 0 | 0 |
| 28 | 2018 | 43–21 | 67.2% | #9 | 2,105 | 0 | 11 | 2016 | 4–14 | 22.2% | #180 | 1,637 | 0 | 0 |
| 29 | 2019 | 29–14 | 67.4% | #13 | 2,001 | 0 | 12 | 2017 | 2–3 | 40.0% | #248 | 1,593 | 0 | 0 |
| 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 | — | — | — | — | — | — | — |