H2H data updated: 2026-07-18 19:16 UTC
Marcos Giron vs John Isner H2H: 0-2
John Isner holds a 2–0 lead over Marcos Giron in their ATP head-to-head. Across 2 main-draw meetings, John Isner leads 2–0 on hard courts. Most recently, John Isner won the 2020 Acapulco fourth round 6-3 7-6(4).
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United States
Age 32
Right-Handed
180 cm / 5'11"
H2H
0
–
2
2 main draw meetings
USA
Age 41
Right-Handed
208 cm / 6'10"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Feb 27, 2020* | Acapulco | ATP 500 | R16 | Hard | John Isner | 6-3 7-6(4) | Marcos Giron | Match data |
| Aug 27, 2014* | US Open | Grand Slam | R128 | Hard | John Isner | 7-6(5) 6-2 7-6(2) | Marcos Giron | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Marcos Giron | #87 | #37 | 1,265 | 1,916 | 137 | 160 | 46.1% | 0 | 0 | 0 | 0 | 1 | 1 |
| 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 | Marcos Giron | John Isner | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 20 | 2014 | 0–2 | 0.0% | #375 | 1,479 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | — | — | — | — | — | — | — | 2007 | 8–5 | 61.5% | #106 | 1,656 | 0 | 0 |
| 23 | — | — | — | — | — | — | — | 2008 | 11–19 | 36.7% | #144 | 1,608 | 0 | 0 |
| 24 | 2018 | 1–1 | 50.0% | #308 | 1,503 | 0 | 0 | 2009 | 27–18 | 60.0% | #34 | 1,828 | 0 | 0 |
| 25 | 2019 | 2–4 | 33.3% | #102 | 1,597 | 0 | 0 | 2010 | 38–20 | 65.5% | #19 | 1,882 | 0 | 1 |
| 26 | 2020 | 9–9 | 50.0% | #73 | 1,775 | 0 | 0 | 2011 | 34–19 | 64.2% | #18 | 2,021 | 0 | 3 |
| 27 | 2021 | 22–19 | 53.7% | #66 | 1,857 | 0 | 0 | 2012 | 38–18 | 67.9% | #14 | 1,965 | 0 | 5 |
| 28 | 2022 | 18–28 | 39.1% | #61 | 1,778 | 0 | 0 | 2013 | 38–22 | 63.3% | #14 | 1,983 | 0 | 7 |
| 29 | 2023 | 24–29 | 45.3% | #60 | 1,790 | 0 | 0 | 2014 | 37–21 | 63.8% | #19 | 1,922 | 0 | 9 |
| 30 | 2024 | 27–25 | 51.9% | #46 | 1,845 | 0 | 1 | 2015 | 45–23 | 66.2% | #11 | 2,026 | 0 | 10 |
| 31 | 2025 | 23–28 | 45.1% | #65 | 1,722 | 0 | 1 | 2016 | 30–20 | 60.0% | #19 | 2,019 | 0 | 10 |
| 32 | 2026 | 11–15 | 42.3% | #87 | 1,700 | 0 | 1 | 2017 | 36–21 | 63.2% | #17 | 1,984 | 0 | 12 |
| 33 | — | — | — | — | — | — | — | 2018 | 32–22 | 59.3% | #10 | 1,956 | 0 | 14 |
| 34 | — | — | — | — | — | — | — | 2019 | 29–17 | 63.0% | #19 | 1,921 | 0 | 15 |
| 35 | — | — | — | — | — | — | — | 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 |