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

Helen Gourlay vs Donna Ganz H2H: 3-1

Helen Gourlay holds a 3–1 lead over Donna Ganz in their WTA head-to-head. Across 4 main-draw meetings, Helen Gourlay leads 3–0 on clay. Most recently, Donna Ganz won the 1977 Tallahassee quarterfinal 3-6 6-2 6-1.

H2H
3 1
4 main-draw meetings
USA 157 cm / 5'2"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Donna Ganz 3-6 6-2 6-1 Helen Gourlay Match data Apr 9, 1977* QF Tallahassee WTA 250
Helen Gourlay 6-0 6-1 Donna Ganz Match data May 3, 1974* R32 Hilton Head WTA 250 Clay
Helen Gourlay 6-1 6-2 Donna Ganz Match data Apr 11, 1974* R32 Sarasota WTA 250 Clay
Helen Gourlay 6-3 6-0 Donna Ganz Match data Feb 4, 1972* R32 Fort Lauderdale Pro 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
Helen Gourlay 1,962 295 201 59.5% 0 0 0 0 7 7
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.

Helen Gourlay Donna Ganz
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 48–21 69.6% 1,678 0 3 1970 0–1 0.0% 1,483 0 0
1969 41–29 58.6% 1,730 0 5 1971 1–1 50.0% 1,493 0 0
1970 42–22 65.6% 1,845 0 7 1972 1–3 25.0% 1,471 0 0
1971 46–25 64.8% 1,907 0 7 1973 3–4 42.9% 1,504 0 0
1972 34–25 57.6% 1,799 0 7 1974 12–16 42.9% 1,561 0 0
1973 7–13 35.0% 1,745 0 7 1975 17–12 58.6% 1,720 0 1
1974 30–19 61.2% 1,942 0 7 1976 0–4 0.0% 1,680 0 1
1975 8–14 36.4% 1,841 0 7 1977 6–5 54.5% 1,669 0 1
1976 7–7 50.0% 1,815 0 7 1978 1–4 20.0% 1,646 0 1
1977 24–19 55.8% 1,897 0 7 1980 1–2 33.3% 1,615 0 1
1978 4–3 57.1% 1,882 0 7
1980 4–4 50.0% 1,796 0 7

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.

Helen Gourlay 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 34 10 44 77.3% 13 10 23 56.5% 1970 0 1 1 0.0%
1969 4 3 7 57.1% 21 11 32 65.6% 13 10 23 56.5% 3 5 8 37.5% 1971 1 1 2 50.0%
1970 14 7 21 66.7% 14 9 23 60.9% 14 6 20 70.0% 1972 1 2 3 33.3%
1971 8 4 12 66.7% 14 7 21 66.7% 24 14 38 63.2% 1973 3 4 7 42.9%
1972 4 2 6 66.7% 10 5 15 66.7% 14 10 24 58.3% 6 8 14 42.9% 1974 0 2 2 0.0% 7 9 16 43.8% 2 2 4 50.0% 3 3 6 50.0%
1973 3 3 6 50.0% 2 4 6 33.3% 2 5 7 28.6% 0 1 1 0.0% 1975 0 1 1 0.0% 17 8 25 68.0% 0 1 1 0.0% 0 2 2 0.0%
1974 8 4 12 66.7% 5 4 9 55.6% 10 6 16 62.5% 7 5 12 58.3% 1976 0 1 1 0.0% 0 3 3 0.0%
1975 0 3 3 0.0% 3 2 5 60.0% 2 4 6 33.3% 3 5 8 37.5% 1977 1 3 4 25.0%
1976 2 2 4 50.0% 5 3 8 62.5% 0 2 2 0.0% 1978 1 1 2 50.0% 0 2 2 0.0% 0 1 1 0.0%
1977 2 3 5 40.0% 4 8 12 33.3% 16 6 22 72.7% 0 1 1 0.0% 1980 1 1 2 50.0%
1978 3 1 4 75.0% 1 2 3 33.3%
1980 4 4 8 50.0%
Career 43 29 72 59.7% 112 63 175 64.0% 118 80 198 59.6% 19 27 46 41.3% 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.

Helen Gourlay 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 1678 124.8 +138 -25 66.7% +1.23 12–8 (60%) +0.47 1970 1483 97.1 33.3% -2.33 0–1 +0.30
1969 1730 129.9 -101 +74 0 57.0% +0.54 10–10 (50%) -2.37 1971 1493 101.5 50.0% -1.00 +0.23
1970 1845 137.5 -65 -20 +20 61.9% +0.90 12–7 (63%) 2–1 (67%) 105.2 -3.63 1972 1471 99.7 +32 33.3% -1.67 0–1 1–0 +0.36
1971 1908 139.3 -97 +13 +18 59.3% +0.48 16–4 (80%) 6–4 (60%) 110.6 -3.93 1973 1504 117.4 +21 47.1% +0.18 1–2 (33%) 0–1 +0.33
1972 1799 145.3 -6 +158 +32 57.0% +0.73 7–5 (58%) 1–5 (17%) 97.7 -4.23 1974 1562 121.6 +2 -10 +10 41.9% -0.76 4–4 (50%) 2–5 (29%) 97.5 +0.22
1973 1745 133.2 +25 +125 +41 34.9% -1.00 2–3 (40%) 0–2 -2.97 1975 1721 140.7 -125 +40 59.3% +0.78 2–1 (67%) 0–3 (0%) 99.2 +0.04
1974 1943 155.6 +1 -37 -73 58.2% +0.69 10–6 (63%) 2–2 (50%) 103.5 -7.00 1976 1681 92.8 -172 11.1% -3.89 0–1 -0.30
1975 1841 138.9 +23 +75 -47 42.3% -0.52 2–6 (25%) 0–3 (0%) -2.67 1977 1669 120.3 +40 55.6% +0.15 2–3 (40%) 3–0 (100%) 100.5 +0.15
1976 1815 132.4 +77 +28 50.0% +0.16 2–2 (50%) 1–1 -0.42 1978 1647 112.1 25.0% -2.25 1–1 -0.60
1977 1898 153.8 -104 -101 +103 57.3% +0.74 3–7 (30%) 0–2 -2.97 1980 1616 96.7 37.5% -0.62 1–1 0–1 +0.22
1978 1883 117.6 -72 +76 50.0% -0.37 2–0 1–0 -0.80
1980 1797 99.2 +40 42.1% +0.47 3–2 (60%) 0–5 (0%) 94.9 +0.81
Career 1962 144.2 -37 +58 +16 57.4% +0.59 81–60 (57%) 13–25 (34%) 97.0 -6.03 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.