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

Zenda Liess vs Marcy Okeefe H2H: 1-1

Zenda Liess and Marcy Okeefe are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, they are tied 1–1 on grass. Most recently, Marcy Okeefe won the 1975 Haverford round of 32 6-2 6-1.

H2H
1 1
2 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Marcy Okeefe 6-2 6-1 Zenda Liess Match data Aug 21, 1975* R32 Haverford WTA 250 Grass
Zenda Liess 6-3 4-6 6-4 Marcy Okeefe Match data Aug 23, 1974* R16 Haverford WTA 250 Grass

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
Zenda Liess 1,743 42 61 40.8% 0 0 0 0 0 0
Marcy Okeefe 1,600 12 11 52.2% 0 0 0 0 0 0

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.

Zenda Liess Marcy Okeefe
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1974 7–7 50.0% 1,554 0 0 1968 0–1 0.0% 1,484 0 0
1975 4–5 44.4% 1,573 0 0 1972 2–1 66.7% 1,513 0 0
1976 7–4 63.6% 1,668 0 0 1973 1–1 50.0% 1,528 0 0
1977 4–13 23.5% 1,619 0 0 1974 4–2 66.7% 1,570 0 0
1978 16–17 48.5% 1,742 0 0 1975 4–4 50.0% 1,579 0 0
1979 3–11 21.4% 1,662 0 0 1976 1–2 33.3% 1,582 0 0
1980 1–4 20.0% 1,610 0 0

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.

Zenda Liess Marcy Okeefe
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 %
1974 3 5 8 37.5% 1 1 2 50.0% 1968 0 1 1 0.0%
1975 4 3 7 57.1% 0 1 1 0.0% 1972 2 1 3 66.7%
1976 6 3 9 66.7% 1 1 2 50.0% 1973 1 1 2 50.0%
1977 0 1 1 0.0% 3 5 8 37.5% 0 6 6 0.0% 1974 3 1 4 75.0% 1 1 2 50.0%
1978 6 8 14 42.9% 6 3 9 66.7% 4 6 10 40.0% 1975 1 1 2 50.0% 2 1 3 66.7%
1979 2 6 8 25.0% 1 5 6 16.7% 1976 1 2 3 33.3%
1980 1 4 5 20.0%
Career 9 19 28 32.1% 23 24 47 48.9% 1 2 3 33.3% 5 13 18 27.8% Career 3 2 5 60.0% 2 3 5 40.0% 6 4 10 60.0%

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.

Zenda Liess Marcy Okeefe
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
1974 1554 119.5 -29 50.0% +0.32 2–0 1–3 (25%) +0.30 1968 1484 91.5 0.0% -5.50 +0.09
1975 1574 114.9 +15 47.8% -0.09 2–3 (40%) 0–2 -0.13 1972 1513 100.6 +62 57.1% -0.14 1–0 1–0 +0.27
1976 1669 124.1 +28 59.1% +1.09 1–1 +0.18 1973 1529 99.6 50.0% -1.50 1–0 +0.12
1977 1619 124.4 -92 +63 30.6% -1.64 1–3 (25%) 1–2 (33%) 96.9 -0.82 1974 1570 110.4 +38 64.3% +1.07 1–1 +1.10
1978 1743 135.7 -78 -37 50.0% -0.22 4–6 (40%) 6–2 (75%) 101.0 -0.24 1975 1580 114.9 +21 52.6% +0.58 1–2 (33%) 0–2 +0.46
1979 1662 120.1 -29 -5 28.1% -1.97 1–3 (25%) 1–0 -0.45 1976 1582 107.0 -29 33.3% -1.33 -0.16
1980 1610 95.3 -77 27.3% -1.91 0–1 1–0 -0.03
Career 1744 131.4 -71 +6 43.4% -0.57 11–17 (39%) 10–9 (53%) 98.1 -1.17 Career 1600 110.1 +38 -29 +42 51.9% 0.00 3–3 (50%) 2–2 (50%) 101.3 +8.17

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.