H2H data updated: 2026-09-12 00:00 UTC

Claudio Mezzadri vs Heinz Gunthardt H2H: 0-1

Heinz Gunthardt holds a 1–0 lead over Claudio Mezzadri in their ATP head-to-head. Across 1 main-draw meeting, Heinz Gunthardt leads 1–0 on clay. Most recently, Heinz Gunthardt won the 1984 Swiss Open Gstaad round of 16 7-6 6-3.

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Claudio Mezzadri
SUI Age 61 Right-Handed 180 cm / 5'11"
H2H
0 – 1
1 main-draw meetings
Heinz Gunthardt
SUI Age 67 Right-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Heinz Gunthardt #29 7-6 6-3 Claudio Mezzadri #131 Match data Jul 13, 1984* R16 Swiss Open Gstaad ATP 250 Clay

Estimated match date where the exact historical date is unavailable. 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
Claudio Mezzadri #1,238 #26 539 1,801 105 131 44.5% 0 0 0 0 1 1
Heinz Gunthardt #1,013 #22 0 1,969 225 189 54.3% 0 0 0 0 5 5

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 Claudio Mezzadri Heinz Gunthardt
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 — — — — — — — 1976 1–4 20.0% #210 1,496 0 0
18 1983 1–3 25.0% #831 1,482 0 0 1977 3–6 33.3% #234 1,509 0 0
19 1984 7–11 38.9% #151 1,515 0 0 1978 25–25 50.0% #55 1,765 0 1
20 1985 5–8 38.5% #135 1,520 0 0 1979 30–23 56.6% #51 1,815 0 1
21 1986 12–16 42.9% #138 1,587 0 0 1980 37–21 63.8% #26 1,834 0 4
22 1987 25–16 61.0% #28 1,772 0 1 1981 28–22 56.0% #38 1,813 0 4
23 1988 13–15 46.4% #105 1,660 0 1 1982 26–25 51.0% #85 1,722 0 4
24 1989 10–14 41.7% #230 1,581 0 1 1983 27–15 64.3% #25 1,853 0 5
25 1990 2–3 40.0% #305 1,585 0 1 1984 23–19 54.8% #31 1,779 0 5
26 1991 5–7 41.7% #127 1,590 0 1 1985 22–19 53.7% #36 1,820 0 5
27 1992 13–16 44.8% #97 1,596 0 1 1986 3–9 25.0% #251 1,671 0 5
28 1993 12–22 35.3% #134 1,518 0 1 1987 0–1 0.0% #954 1,664 0 5

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Claudio Mezzadri Heinz Gunthardt
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
17 — — — — — — — — — — — — — — — — — 1976 0 1 1 0.0% 1 2 3 33.3% — — — — 0 1 1 0.0%
18 1983 1 1 2 50.0% 0 2 2 0.0% — — — — — — — — 1977 0 2 2 0.0% 0 2 2 0.0% 1 1 2 50.0% 2 1 3 66.7%
19 1984 0 1 1 0.0% 7 9 16 43.8% 0 1 1 0.0% — — — — 1978 9 7 16 56.3% 9 12 21 42.9% 1 3 4 25.0% 6 3 9 66.7%
20 1985 — — — — 5 8 13 38.5% — — — — — — — — 1979 15 9 24 62.5% 13 8 21 61.9% 1 1 2 50.0% 1 5 6 16.7%
21 1986 1 3 4 25.0% 10 12 22 45.5% 1 1 2 50.0% — — — — 1980 13 6 19 68.4% 11 5 16 68.8% 2 1 3 66.7% 11 9 20 55.0%
22 1987 6 4 10 60.0% 17 8 25 68.0% — — — — 2 4 6 33.3% 1981 6 4 10 60.0% 15 10 25 60.0% 0 1 1 0.0% 7 7 14 50.0%
23 1988 2 4 6 33.3% 9 9 18 50.0% — — — — 2 2 4 50.0% 1982 2 3 5 40.0% 16 12 28 57.1% 0 1 1 0.0% 8 9 17 47.1%
24 1989 2 3 5 40.0% 7 9 16 43.8% — — — — 1 2 3 33.3% 1983 10 4 14 71.4% 17 9 26 65.4% — — — — 0 2 2 0.0%
25 1990 — — — — 2 3 5 40.0% — — — — — — — — 1984 7 6 13 53.8% 12 6 18 66.7% 0 1 1 0.0% 4 6 10 40.0%
26 1991 0 1 1 0.0% 5 5 10 50.0% — — — — 0 1 1 0.0% 1985 9 7 16 56.3% 6 5 11 54.5% 4 1 5 80.0% 3 6 9 33.3%
27 1992 2 2 4 50.0% 10 11 21 47.6% 0 1 1 0.0% 1 2 3 33.3% 1986 0 1 1 0.0% 1 5 6 16.7% 1 1 2 50.0% 1 2 3 33.3%
28 1993 3 7 10 30.0% 9 13 22 40.9% — — — — 0 2 2 0.0% 1987 0 1 1 0.0% — — — — — — — — — — — —
Career — 17 26 43 39.5% 81 89 170 47.6% 1 3 4 25.0% 6 13 19 31.6% — 71 51 122 58.2% 101 76 177 57.1% 10 11 21 47.6% 43 51 94 45.7%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. 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 Claudio Mezzadri Heinz Gunthardt
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
17 — — — — — — — — — — — — — — — — 1976 1497 106.8 — — — — — +44 — 27.3% -2.09 0–1 0–1 — -0.14
18 1983 1482 97.1 — — — — — — — 30.0% -1.60 1–1 0–1 — +0.56 1977 1510 115.1 — — — — +44 — — 40.0% -0.60 0–2 1–1 — +0.49
19 1984 1515 117.4 — — — — — +48 — 44.2% -0.44 2–3 (40%) 2–1 (67%) 101.1 +1.04 1978 1766 146.9 — — — — +3 -145 -225 48.8% -0.21 10–7 (59%) 9–7 (56%) 107.7 -3.10
20 1985 1521 116.6 — — — — — +25 — 40.0% -1.03 2–2 (50%) 2–1 (67%) — +0.64 1979 1815 145.2 — — — — -9 -69 — 54.6% +0.22 11–8 (58%) 11–6 (65%) 106.3 -1.34
21 1986 1587 129.9 — — — — -71 +21 — 47.1% -0.04 2–6 (25%) 2–3 (40%) 96.0 +0.87 1980 1835 148.3 — — — — +31 -59 -191 59.5% +0.48 12–8 (60%) 11–5 (69%) 105.9 -2.27
22 1987 1773 147.0 — — — — -147 +24 — 59.6% +0.78 9–6 (60%) 10–5 (67%) 108.3 -0.33 1981 1813 148.5 — — — — -9 +4 — 53.1% +0.19 8–4 (67%) 8–6 (57%) 106.5 -2.56
23 1988 1661 126.8 — — — — -73 +75 — 44.9% -0.16 5–2 (71%) 2–4 (33%) 102.3 -0.30 1982 1722 150.4 — — — — +6 +108 — 50.0% +0.01 5–3 (63%) 8–8 (50%) 100.4 -3.00
24 1989 1581 122.3 — — — — -12 +75 — 46.6% -0.19 1–5 (17%) 5–2 (71%) 97.5 +1.51 1983 1853 151.4 — — — — -33 0 — 59.8% +0.76 10–9 (53%) 5–9 (36%) 96.3 -0.24
25 1990 1585 114.2 — — — — — +81 — 45.5% -0.09 2–1 (67%) 0–3 (0%) 99.1 -0.20 1984 1779 140.1 — — — — -19 +104 — 50.5% +0.08 9–3 (75%) 10–13 (43%) 103.8 -0.50
26 1991 1590 126.5 -1.74 +1.94 0.981 49.4% — +105 — 50.0% -0.43 0–4 (0%) 3–1 (75%) 98.0 +0.10 1985 1820 135.6 — — — — -43 -26 -105 50.0% +0.11 11–6 (65%) 6–11 (35%) 100.8 0.00
27 1992 1596 123.3 +0.13 -1.64 0.931 48.8% -27 +52 — 45.5% -0.26 7–8 (47%) 4–5 (44%) 97.7 +0.10 1986 1672 117.2 — — — — +63 +23 — 38.2% -0.35 0–4 (0%) 2–7 (22%) 88.0 +0.03
28 1993 1519 120.8 -1.90 -1.17 0.947 48.7% -25 +105 — 38.5% -0.68 5–6 (45%) 4–6 (40%) 98.5 +1.06 1987 1665 110.5 — — — — — — — 33.3% -0.67 0–1 — — -0.32
Career — 1801 134.2 -1.11 -0.88 0.947 48.8% -69 +57 — 46.7% -0.18 36–44 (45%) 34–32 (52%) 99.6 +2.16 — 1969 150.7 — — — — -3 -3 -167 52.3% +0.15 76–56 (58%) 71–74 (49%) 103.5 -3.13

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.