H2H data updated: 2026-09-13 00:00 UTC

Maria Eugenia Guzman vs Donna Ganz H2H: 1-0

Maria Eugenia Guzman holds a 1–0 lead over Donna Ganz in their WTA head-to-head. They have met 1 times in main draws. Most recently, Maria Eugenia Guzman won the 1972 Key Biscayne quarterfinal 6-2 6-7 6-4.

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Maria Eugenia Guzman
ECU
H2H
1 – 0
1 main-draw meetings
Donna Ganz
USA 157 cm / 5'2"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Maria Eugenia Guzman 6-2 6-7 6-4 Donna Ganz Match data Sep 12, 1972* QF Key Biscayne WTA 250 —

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
Maria Eugenia Guzman — — — 1,653 53 58 47.7% 0 0 0 0 6 6
Donna Ganz — — — 1,744 42 52 44.7% 0 0 0 0 1 1

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.

Maria Eugenia Guzman Donna Ganz
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 3–5 37.5% — 1,490 0 0 1970 0–1 0.0% — 1,483 0 0
1969 19–18 51.4% — 1,559 0 2 1971 1–1 50.0% — 1,493 0 0
1970 13–11 54.2% — 1,600 0 3 1972 1–3 25.0% — 1,471 0 0
1971 4–8 33.3% — 1,541 0 4 1973 3–4 42.9% — 1,504 0 0
1972 12–13 48.0% — 1,555 0 5 1974 12–16 42.9% — 1,561 0 0
1973 1–0 100.0% — 1,569 0 6 1975 17–12 58.6% — 1,720 0 1
1974 1–3 25.0% — 1,533 0 6 1976 0–4 0.0% — 1,680 0 1
— — — — — — — 1977 6–5 54.5% — 1,669 0 1
— — — — — — — 1978 1–4 20.0% — 1,646 0 1
— — — — — — — 1980 1–2 33.3% — 1,615 0 1

Surface Results by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Maria Eugenia Guzman Donna Ganz
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 %
1968 — — — — 3 5 8 37.5% — — — — — — — — 1970 — — — — 0 1 1 0.0% — — — — — — — —
1969 — — — — 19 16 35 54.3% 0 2 2 0.0% — — — — 1971 — — — — 1 1 2 50.0% — — — — — — — —
1970 — — — — 4 5 9 44.4% 9 6 15 60.0% — — — — 1972 — — — — 1 2 3 33.3% — — — — — — — —
1971 — — — — 3 3 6 50.0% 1 5 6 16.7% — — — — 1973 — — — — 3 4 7 42.9% — — — — — — — —
1972 2 1 3 66.7% 1 4 5 20.0% 2 5 7 28.6% — — — — 1974 0 2 2 0.0% 7 9 16 43.8% 2 2 4 50.0% 3 3 6 50.0%
1974 — — — — 1 3 4 25.0% — — — — — — — — 1975 0 1 1 0.0% 17 8 25 68.0% 0 1 1 0.0% 0 2 2 0.0%
— — — — — — — — — — — — — — — — — 1976 0 1 1 0.0% — — — — — — — — 0 3 3 0.0%
— — — — — — — — — — — — — — — — — 1977 — — — — 1 3 4 25.0% — — — — — — — —
— — — — — — — — — — — — — — — — — 1978 1 1 2 50.0% 0 2 2 0.0% 0 1 1 0.0% — — — —
— — — — — — — — — — — — — — — — — 1980 1 1 2 50.0% — — — — — — — — — — — —
Career 2 1 3 66.7% 31 36 67 46.3% 12 18 30 40.0% — — — — Career 2 6 8 25.0% 30 30 60 50.0% 2 4 6 33.3% 3 8 11 27.3%

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Maria Eugenia Guzman Donna Ganz
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
1968 1490 96.7 — — — — — -6 — 36.8% -1.26 2–1 (67%) — — +0.23 1970 1483 97.1 — — — — — — — 33.3% -2.33 0–1 — — +0.30
1969 1560 104.9 — — — — — +27 — 50.0% -0.32 6–6 (50%) — — +2.99 1971 1493 101.5 — — — — — — — 50.0% -1.00 — — — +0.23
1970 1600 109.3 — — — — — -29 +32 51.9% -0.23 5–1 (83%) — — +3.96 1972 1471 99.7 — — — — — +32 — 33.3% -1.67 0–1 1–0 — +0.36
1971 1542 106.9 — — — — — +5 +22 40.0% -0.60 1–2 (33%) — — +1.65 1973 1504 117.4 — — — — — +21 — 47.1% +0.18 1–2 (33%) 0–1 — +0.33
1972 1556 109.2 — — — — +37 -40 -54 45.8% -0.20 6–3 (67%) 0–2 — +1.46 1974 1562 121.6 — — — — +2 -10 +10 41.9% -0.76 4–4 (50%) 2–5 (29%) 97.5 +0.22
1973 1569 103.5 — — — — — — — 100.0% +3.50 — — — +0.13 1975 1721 140.7 — — — — -125 +40 — 59.3% +0.78 2–1 (67%) 0–3 (0%) 99.2 +0.04
1974 1534 96.5 — — — — — -59 — 33.3% -1.55 0–1 — — +0.22 1976 1681 92.8 — — — — -172 — — 11.1% -3.89 0–1 — — -0.30
— — — — — — — — — — — — — — — — 1977 1669 120.3 — — — — — +40 — 55.6% +0.15 2–3 (40%) 3–0 (100%) 100.5 +0.15
— — — — — — — — — — — — — — — — 1978 1647 112.1 — — — — — — — 25.0% -2.25 1–1 — — -0.60
— — — — — — — — — — — — — — — — 1980 1616 96.7 — — — — — — — 37.5% -0.62 1–1 0–1 — +0.22
Career 1654 107.3 — — — — +37 +3 +8 47.2% -0.39 20–14 (59%) 0–2 — +9.67 Career 1744 127.8 — — — — -70 +23 +10 46.2% -0.41 11–15 (42%) 6–10 (38%) 93.5 +1.01

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.