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

Mariana Simionescu vs Donna Ganz H2H: 2-2

Mariana Simionescu and Donna Ganz are tied 2–2 in their WTA head-to-head. Across 4 main-draw meetings, Donna Ganz leads 2–1 on clay, while Mariana Simionescu leads 1–0 on grass. Most recently, Donna Ganz won the 1975 Roland Garros round of 64 6-4 6-3.

H2H
2 2
4 main-draw meetings
USA 157 cm / 5'2"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Donna Ganz 6-4 6-3 Mariana Simionescu Match data Jun 7, 1975* R64 Roland Garros Grand Slam Clay
Donna Ganz 7-5 6-3 Mariana Simionescu Match data Mar 1, 1975* SF Fort Myers WTA 250 Clay
Mariana Simionescu 7-5 7-6 Donna Ganz Match data Aug 31, 1974* R64 US Open Grand Slam Grass
Mariana Simionescu 6-3 7-5 Donna Ganz Match data Feb 23, 1974* QF Fort Myers WTA 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
Mariana Simionescu 1,743 68 72 48.6% 0 0 0 0 2 2
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.

Mariana Simionescu Donna Ganz
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1973 5–8 38.5% 1,515 0 0 1970 0–1 0.0% 1,483 0 0
1974 13–12 52.0% 1,591 0 0 1971 1–1 50.0% 1,493 0 0
1975 10–14 41.7% 1,614 0 0 1972 1–3 25.0% 1,471 0 0
1976 15–13 53.6% 1,691 0 1 1973 3–4 42.9% 1,504 0 0
1977 7–8 46.7% 1,703 0 1 1974 12–16 42.9% 1,561 0 0
1978 9–10 47.4% 1,689 0 1 1975 17–12 58.6% 1,720 0 1
1979 0–3 0.0% 1,632 0 1 1976 0–4 0.0% 1,680 0 1
1980 9–4 69.2% 1,709 0 2 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.

Mariana Simionescu 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 %
1973 1 3 4 25.0% 0 2 2 0.0% 4 3 7 57.1% 1970 0 1 1 0.0%
1974 0 1 1 0.0% 11 6 17 64.7% 2 4 6 33.3% 0 1 1 0.0% 1971 1 1 2 50.0%
1975 0 1 1 0.0% 8 7 15 53.3% 0 1 1 0.0% 0 2 2 0.0% 1972 1 2 3 33.3%
1976 1 1 2 50.0% 9 7 16 56.3% 4 1 5 80.0% 1 4 5 20.0% 1973 3 4 7 42.9%
1977 1 3 4 25.0% 3 1 4 75.0% 3 3 6 50.0% 1974 0 2 2 0.0% 7 9 16 43.8% 2 2 4 50.0% 3 3 6 50.0%
1978 1 2 3 33.3% 4 3 7 57.1% 0 1 1 0.0% 1 2 3 33.3% 1975 0 1 1 0.0% 17 8 25 68.0% 0 1 1 0.0% 0 2 2 0.0%
1979 0 1 1 0.0% 0 1 1 0.0% 0 1 1 0.0% 1976 0 1 1 0.0% 0 3 3 0.0%
1980 5 1 6 83.3% 4 3 7 57.1% 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 7 7 14 50.0% 38 33 71 53.5% 9 11 20 45.0% 9 15 24 37.5% 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.

Mariana Simionescu 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
1973 1516 96.6 +72 -34 41.9% -0.71 2–3 (40%) 1–1 +1.45 1970 1483 97.1 33.3% -2.33 0–1 +0.30
1974 1591 117.5 +8 -55 49.1% -0.27 4–3 (57%) 1–1 +1.23 1971 1493 101.5 50.0% -1.00 +0.23
1975 1614 121.8 -38 +35 43.6% -0.09 3–4 (43%) 1–5 (17%) 93.9 +0.75 1972 1471 99.7 +32 33.3% -1.67 0–1 1–0 +0.36
1976 1691 133.9 -127 -3 -77 56.1% +0.48 3–7 (30%) 2–2 (50%) 95.9 +1.06 1973 1504 117.4 +21 47.1% +0.18 1–2 (33%) 0–1 +0.33
1977 1703 124.7 -115 -9 -57 50.0% -0.03 1–1 +1.60 1974 1562 121.6 +2 -10 +10 41.9% -0.76 4–4 (50%) 2–5 (29%) 97.5 +0.22
1978 1689 124.2 -72 +21 44.2% -0.19 4–3 (57%) 0–3 (0%) 99.0 +0.10 1975 1721 140.7 -125 +40 59.3% +0.78 2–1 (67%) 0–3 (0%) 99.2 +0.04
1979 1633 95.0 0.0% -3.17 +0.57 1976 1681 92.8 -172 11.1% -3.89 0–1 -0.30
1980 1709 116.1 -66 +3 64.5% +0.64 3–2 (60%) 3–1 (75%) 103.9 +0.91 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 1744 126.3 -58 +9 -63 48.9% -0.06 20–23 (47%) 8–13 (38%) 95.8 +5.56 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.