H2H data updated: 2026-09-03 00:00 UTC

John Millman vs Caio Zampieri

Compare the head-to-head record, career totals, season-by-season performance, and match log for John Millman vs Caio Zampieri.

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John Millman
AUS Age 37 Right-Handed 183 cm / 6'0"
H2H
0 – 0
0 main draw meetings
Caio Zampieri
BRA Age 40 Right-Handed 183 cm / 6'0"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
John Millman #263 7-5 6-3 Caio Zampieri #214 Match data May 24, 2010 Q1 Q Roland Garros Grand Slam Clay

1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
John Millman #1,164 #33 1,530 1,902 115 145 44.2% 0 0 0 0 1 1
Caio Zampieri #1,147 #182 305 1,552 1 2 33.3% 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 John Millman Caio Zampieri
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
21 2010 0–1 0.0% #204 1,510 0 0 — — — — — — —
22 2011 0–1 0.0% #541 1,485 0 0 — — — — — — —
23 2012 0–1 0.0% #199 1,559 0 0 2009 0–1 0.0% #296 1,500 0 0
24 2013 2–4 33.3% #190 1,651 0 0 — — — — — — —
25 — — — — — — — 2011 1–1 50.0% #253 1,510 0 0
26 2015 5–9 35.7% #92 1,708 0 0 — — — — — — —
27 2016 19–21 47.5% #84 1,820 0 0 — — — — — — —
28 2017 3–5 37.5% #128 1,820 0 0 — — — — — — —
29 2018 19–19 50.0% #38 1,837 0 0 — — — — — — —
30 2019 20–27 42.6% #48 1,776 0 0 — — — — — — —
31 2020 14–13 51.9% #38 1,820 0 1 — — — — — — —
32 2021 22–25 46.8% #72 1,774 0 1 — — — — — — —
33 2022 9–17 34.6% #147 1,669 0 1 — — — — — — —
34 2023 2–2 50.0% #483 1,710 0 1 — — — — — — —

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 256/260 of John Millman's and 3/3 of Caio Zampieri's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.

Age John Millman Caio Zampieri
Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts% Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts%
21 2010 1/1 1.0 4.0 51.9% 51.9% 40.0% 16.7% 33.3% 46.2% 30.4% — —/— — — — — — — — — —
22 2011 1/1 4.0 3.0 76.3% 72.4% 33.3% 50.0% 66.7% 63.2% 35.3% — —/— — — — — — — — — —
23 2012 1/1 4.0 1.0 60.9% 64.3% 50.0% 25.0% 0.0% 58.7% 27.8% 2009 1/1 3.0 2.0 57.3% 66.0% 54.3% 33.3% 71.4% 61.0% 43.2%
24 2013 6/6 6.2 4.2 64.0% 66.5% 49.1% 64.2% 36.7% 59.8% 38.1% — —/— — — — — — — — — —
25 — —/— — — — — — — — — — 2011 2/2 2.5 3.0 56.8% 63.4% 37.2% 60.7% 33.3% 52.0% 41.5%
26 2015 14/14 2.6 1.8 62.8% 71.2% 51.3% 44.5% 43.3% 63.5% 34.6% — —/— — — — — — — — — —
27 2016 38/40 4.5 1.8 63.5% 66.4% 52.5% 49.3% 47.0% 61.4% 37.1% — —/— — — — — — — — — —
28 2017 8/8 4.8 1.6 60.6% 63.7% 50.4% 55.2% 43.4% 58.7% 36.2% — —/— — — — — — — — — —
29 2018 38/38 4.6 2.3 61.0% 70.3% 52.4% 60.1% 42.8% 63.0% 38.2% — —/— — — — — — — — — —
30 2019 47/47 4.5 1.8 61.0% 68.9% 54.1% 60.1% 41.1% 63.1% 37.2% — —/— — — — — — — — — —
31 2020 27/27 4.4 2.4 59.4% 68.8% 51.6% 60.4% 44.3% 61.9% 38.1% — —/— — — — — — — — — —
32 2021 45/47 2.6 1.6 61.6% 67.4% 49.4% 54.0% 44.2% 60.5% 37.6% — —/— — — — — — — — — —
33 2022 26/26 3.6 1.5 63.1% 65.1% 55.7% 51.3% 38.1% 61.8% 33.5% — —/— — — — — — — — — —
34 2023 4/4 4.3 2.3 64.9% 65.3% 45.2% 57.1% 38.7% 58.3% 33.3% — —/— — — — — — — — — —
Career — 256/260 4.0 1.9 61.8% 67.8% 52.0% 55.3% 42.8% 61.8% 36.8% — 3/3 2.7 2.7 57.0% 64.3% 42.9% 51.6% 46.0% 55.0% 42.0%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age John Millman Caio Zampieri
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
20 2009 1499 99.1 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
21 2010 1510 101.6 -1.31 -0.11 0.565 38.8% — — — 0.0% -4.00 — — — -0.20 2007 1482 97.3 — — — — — — — — — — — — —
22 2011 1485 100.9 -0.78 -0.06 0.958 48.4% — — — 33.3% -1.33 0–1 — — +0.16 2008 1474 100.0 — — — — — — — — — — — — —
23 2012 1560 110.5 -1.29 -1.40 0.673 42.0% — — — 0.0% -3.00 — — — -0.08 2009 1500 101.6 +0.68 -5.03 1.107 52.1% — — — 33.3% +0.33 0–1 0–1 — +0.07
24 2013 1651 129.6 -0.78 -0.56 0.949 49.3% -14 — — 47.1% -0.18 0–3 (0%) — — -0.22 2010 1470 94.2 — — — — — — — — — — — — —
25 — — — — — — — — — — — — — — — — 2011 1510 110.8 +0.05 -0.65 0.864 46.4% — — — 50.0% -1.00 — 1–0 — +0.07
26 2015 1709 140.3 -0.75 +0.80 0.946 49.0% -23 — — 40.5% -0.32 1–4 (20%) 2–3 (40%) — -0.67 2012 1495 91.4 — — — — — — — — — — — — —
27 2016 1820 150.9 -1.72 +0.76 0.959 49.5% -29 — -82 44.2% +0.02 11–5 (69%) 4–12 (25%) — -1.72 2013 1483 98.4 — — — — — — — — — — — — —
28 2017 1821 134.6 -0.72 +1.14 0.875 47.8% -3 — — 40.0% -0.64 1–1 3–1 (75%) — -0.86 2014 1489 104.2 — — — — — — — — — — — — —
29 2018 1837 151.3 -0.74 +1.80 1.035 50.7% -4 -201 -51 49.5% +0.13 6–4 (60%) 8–11 (42%) — -2.15 2015 1478 101.9 — — — — — — — — — — — — —
30 2019 1777 152.2 -0.76 +1.53 1.008 50.3% +15 -140 -13 48.3% +0.08 5–13 (28%) 12–16 (43%) — +0.01 — — — — — — — — — — — — — — — —
31 2020 1821 150.8 -1.03 +0.92 1.000 50.2% +33 -209 — 53.9% +0.16 5–8 (38%) 5–9 (36%) — -0.76 2017 1465 99.3 — — — — — — — — — — — — —
32 2021 1775 134.9 -2.12 +0.76 0.952 49.1% -1 -104 -52 45.2% -0.40 10–8 (56%) 12–7 (63%) — +1.58 — — — — — — — — — — — — — — — —
33 2022 1670 130.7 -1.67 -1.79 0.878 48.1% -5 -59 +49 37.5% -0.69 3–3 (50%) 7–10 (41%) — -1.57 — — — — — — — — — — — — — — — —
34 2023 1710 124.6 -0.07 -1.08 0.799 46.0% -6 — — 38.5% -0.54 2–0 1–2 (33%) — -0.39 — — — — — — — — — — — — — — — —
35 2024 1704 102.9 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 1902 148.8 -1.25 +0.75 0.964 49.5% -2 -141 -40 45.6% -0.16 44–50 (47%) 54–71 (43%) 96.1 -2.64 — 1553 100.6 +0.26 -2.11 0.934 48.3% — — — 42.9% -0.43 0–1 1–1 — +4.67

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.