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

Donna Ganz vs Kathy May H2H: 0-2

Kathy May holds a 2–0 lead over Donna Ganz in their WTA head-to-head. Across 2 main-draw meetings, Kathy May leads 2–0 on clay. Most recently, Kathy May won the 1978 Roland Garros round of 64 6-1 6-2.

USA 157 cm / 5'2"
H2H
0 2
2 main-draw meetings
USA Age 70 Right-Handed 173 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kathy May 6-1 6-2 Donna Ganz Match data Jun 1, 1978* R64 Roland Garros Grand Slam Clay
Kathy May 6-2 6-2 Donna Ganz Match data Sep 2, 1975* R32 US Open Grand Slam 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
Donna Ganz 1,744 42 52 44.7% 0 0 0 0 1 1
Kathy May 1,908 111 89 55.5% 0 0 0 0 6 6

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.

Donna Ganz Kathy May
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1970 0–1 0.0% 1,483 0 0 1971 0–1 0.0% 1,497 0 0
1971 1–1 50.0% 1,493 0 0 1972 4–2 66.7% 1,536 0 0
1972 1–3 25.0% 1,471 0 0 1973 6–1 85.7% 1,626 0 1
1973 3–4 42.9% 1,504 0 0 1974 16–5 76.2% 1,713 0 4
1974 12–16 42.9% 1,561 0 0 1975 14–13 51.9% 1,748 0 5
1975 17–12 58.6% 1,720 0 1 1976 15–13 53.6% 1,812 0 6
1976 0–4 0.0% 1,680 0 1 1977 14–16 46.7% 1,802 0 6
1977 6–5 54.5% 1,669 0 1 1978 21–16 56.8% 1,829 0 6
1978 1–4 20.0% 1,646 0 1 1979 15–12 55.6% 1,829 0 6
1980 1–2 33.3% 1,615 0 1 1980 4–8 33.3% 1,731 0 6
1981 1–1 50.0% 1,713 0 6
1990 1–1 50.0% 1,705 0 6

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.

Donna Ganz Kathy May
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 %
1970 0 1 1 0.0% 1971 0 1 1 0.0%
1971 1 1 2 50.0% 1972 4 2 6 66.7%
1972 1 2 3 33.3% 1973 5 0 5 100.0% 1 1 2 50.0%
1973 3 4 7 42.9% 1974 7 0 7 100.0% 0 1 1 0.0% 8 3 11 72.7% 1 1 2 50.0%
1974 0 2 2 0.0% 7 9 16 43.8% 2 2 4 50.0% 3 3 6 50.0% 1975 0 1 1 0.0% 4 7 11 36.4% 3 2 5 60.0% 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% 1976 1 1 2 50.0% 11 6 17 64.7% 0 2 2 0.0% 3 4 7 42.9%
1976 0 1 1 0.0% 0 3 3 0.0% 1977 1 2 3 33.3% 7 7 14 50.0% 3 3 6 50.0% 3 4 7 42.9%
1977 1 3 4 25.0% 1978 5 5 10 50.0% 6 5 11 54.5% 2 1 3 66.7% 8 5 13 61.5%
1978 1 1 2 50.0% 0 2 2 0.0% 0 1 1 0.0% 1979 6 4 10 60.0% 1 1 2 50.0% 2 3 5 40.0% 6 4 10 60.0%
1980 1 1 2 50.0% 1980 1 2 3 33.3% 1 2 3 33.3% 0 3 3 0.0%
1990 1 1 2 50.0%
Career 2 6 8 25.0% 30 30 60 50.0% 2 4 6 33.3% 3 8 11 27.3% Career 31 19 50 62.0% 29 27 56 51.8% 20 17 37 54.1% 21 22 43 48.8%

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.

Donna Ganz Kathy May
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
1970 1483 97.1 33.3% -2.33 0–1 +0.30 1971 1497 102.9 33.3% -1.00 0–1 -0.25
1971 1493 101.5 50.0% -1.00 +0.23 1972 1537 105.3 +66 57.1% +0.71 2–0 +1.22
1972 1471 99.7 +32 33.3% -1.67 0–1 1–0 +0.36 1973 1626 119.7 +97 76.5% +2.24 2–1 (67%) 1–1 +1.52
1973 1504 117.4 +21 47.1% +0.18 1–2 (33%) 0–1 +0.33 1974 1713 120.9 +112 -31 70.8% +1.44 4–2 (67%) 2–1 (67%) 103.0 +4.53
1974 1562 121.6 +2 -10 +10 41.9% -0.76 4–4 (50%) 2–5 (29%) 97.5 +0.22 1975 1749 141.0 -194 -46 53.3% +0.27 2–4 (33%) 4–3 (57%) 98.8 -2.15
1975 1721 140.7 -125 +40 59.3% +0.78 2–1 (67%) 0–3 (0%) 99.2 +0.04 1976 1812 121.0 -28 -89 48.4% -0.44 8–2 (80%) 5–0 (100%) 111.1 -1.24
1976 1681 92.8 -172 11.1% -3.89 0–1 -0.30 1977 1803 147.7 +22 -55 -100 54.0% -0.14 1–6 (14%) 5–1 (83%) 97.8 -3.29
1977 1669 120.3 +40 55.6% +0.15 2–3 (40%) 3–0 (100%) 100.5 +0.15 1978 1830 146.4 +43 -105 -94 58.5% +0.80 4–6 (40%) 2–4 (33%) 97.7 -1.49
1978 1647 112.1 25.0% -2.25 1–1 -0.60 1979 1830 136.1 +67 -99 50.0% -0.12 6–2 (75%) 3–1 (75%) 104.8 +0.55
1980 1616 96.7 37.5% -0.62 1–1 0–1 +0.22 1980 1731 114.5 +40 -26 39.3% -0.71 1–3 (25%) 1–0 -0.13
1981 1713 106.4 60.0% +2.00 0–1 0–1 +0.05
1990 1705 99.6 40.0% -0.40 1–0 0–1 +0.11
Career 1744 127.8 -70 +23 +10 46.2% -0.41 11–15 (42%) 6–10 (38%) 93.5 +1.01 Career 1909 141.8 +50 -105 -61 55.0% +0.31 31–28 (53%) 23–13 (64%) 107.6 -0.29

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.