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

Mary Lou Piatek vs Pam Casale H2H: 1-2

Pam Casale holds a 2–1 lead over Mary Lou Piatek in their WTA head-to-head. Across 3 main-draw meetings, Mary Lou Piatek leads 1–0 on carpet, while Pam Casale leads 1–0 on clay. Most recently, Pam Casale won the 1987 Tampa round of 32 1-6 6-4 7-6.

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Mary Lou Piatek
USA
H2H
1 – 2
3 main-draw meetings
Pam Casale
USA Age 62 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Pam Casale #35 1-6 6-4 7-6 Mary Lou Piatek Match data Apr 30, 1987* R32 Tampa WTA 250 Clay
Mary Lou Piatek 6-3 6-4 Pam Casale Match data Sep 23, 1983* R16 Richmond WTA 250 Carpet
Pam Casale 6-3 6-3 Mary Lou Piatek Match data Jun 18, 1981* R32 Eastbourne Open 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
Mary Lou Piatek — — — 1,931 153 206 42.6% 0 0 0 0 2 2
Pam Casale #671 #14 22 1,944 168 147 53.3% 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.

Mary Lou Piatek Pam Casale
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1978 0–1 0.0% — 1,499 0 0 1980 15–10 60.0% — 1,597 0 0
1979 3–5 37.5% — 1,546 0 0 1981 30–17 63.8% — 1,810 0 0
1980 16–12 57.1% — 1,734 0 0 1982 20–23 46.5% — 1,745 0 0
1981 30–22 57.7% — 1,869 0 1 1983 23–20 53.5% — 1,770 0 0
1982 18–21 46.2% — 1,791 0 1 1984 31–17 64.6% #15 1,914 0 0
1983 12–20 37.5% — 1,720 0 1 1985 24–20 54.5% #14 1,814 0 0
1984 18–20 47.4% — 1,703 0 2 1986 16–17 48.5% #41 1,787 0 0
1985 14–18 43.8% — 1,677 0 2 1987 5–11 31.2% #111 1,673 0 0
1986 8–15 34.8% — 1,618 0 2 1988 4–10 28.6% #169 1,552 0 0
1987 6–12 33.3% — 1,594 0 2 1989 0–1 0.0% #225 1,547 0 0
1988 6–16 27.3% — 1,542 0 2 1990 0–1 0.0% #554 1,525 0 0
1989 7–15 31.8% — 1,592 0 2 — — — — — — —
1990 8–11 42.1% — 1,611 0 2 — — — — — — —
1991 5–8 38.5% — 1,629 0 2 — — — — — — —
1992 1–8 11.1% — 1,559 0 2 — — — — — — —
1993 1–2 33.3% — 1,554 0 2 — — — — — — —

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.

Mary Lou Piatek Pam Casale
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 %
1978 — — — — — — — — — — — — 0 1 1 0.0% 1980 8 7 15 53.3% — — — — — — — — — — — —
1979 1 1 2 50.0% 0 1 1 0.0% — — — — 2 3 5 40.0% 1981 17 6 23 73.9% 7 5 12 58.3% 4 3 7 57.1% 2 3 5 40.0%
1980 5 3 8 62.5% 3 1 4 75.0% 0 2 2 0.0% 8 6 14 57.1% 1982 2 4 6 33.3% 10 7 17 58.8% 2 2 4 50.0% 6 10 16 37.5%
1981 15 5 20 75.0% 6 4 10 60.0% 4 6 10 40.0% 5 7 12 41.7% 1983 5 5 10 50.0% 13 8 21 61.9% 3 3 6 50.0% 2 4 6 33.3%
1982 4 5 9 44.4% 0 3 3 0.0% 1 2 3 33.3% 13 11 24 54.2% 1984 8 3 11 72.7% 8 5 13 61.5% 4 3 7 57.1% 11 6 17 64.7%
1983 5 6 11 45.5% 1 4 5 20.0% 0 2 2 0.0% 6 8 14 42.9% 1985 17 7 24 70.8% 4 5 9 44.4% 0 3 3 0.0% 3 5 8 37.5%
1984 9 8 17 52.9% 0 1 1 0.0% 5 6 11 45.5% 4 5 9 44.4% 1986 3 6 9 33.3% 11 5 16 68.8% 1 1 2 50.0% 1 5 6 16.7%
1985 7 11 18 38.9% 2 1 3 66.7% 1 2 3 33.3% 4 4 8 50.0% 1987 3 5 8 37.5% 1 1 2 50.0% 1 3 4 25.0% 0 2 2 0.0%
1986 5 5 10 50.0% 0 2 2 0.0% 1 2 3 33.3% 2 6 8 25.0% 1988 3 6 9 33.3% 1 3 4 25.0% 0 1 1 0.0% — — — —
1987 3 5 8 37.5% 0 2 2 0.0% 0 2 2 0.0% 3 3 6 50.0% 1989 — — — — 0 1 1 0.0% — — — — — — — —
1988 4 9 13 30.8% 1 4 5 20.0% 0 1 1 0.0% 1 2 3 33.3% 1990 — — — — 0 1 1 0.0% — — — — — — — —
1989 7 9 16 43.8% 0 3 3 0.0% 0 2 2 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
1990 4 5 9 44.4% 3 3 6 50.0% 0 1 1 0.0% 1 2 3 33.3% — — — — — — — — — — — — — — — — —
1991 5 5 10 50.0% 0 2 2 0.0% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
1992 0 6 6 0.0% 1 1 2 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
1993 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career 75 85 160 46.9% 17 32 49 34.7% 12 29 41 29.3% 49 60 109 45.0% Career 66 49 115 57.4% 55 41 96 57.3% 15 19 34 44.1% 25 35 60 41.7%

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.

Mary Lou Piatek Pam Casale
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
1978 1499 106.8 — — — — — — — 0.0% -3.50 — — — -0.12 1980 1598 118.7 — — — — +29 — — 57.4% +0.72 3–3 (50%) 1–1 — +2.02
1979 1547 118.2 — — — — +97 — — 42.1% -0.89 1–2 (33%) 0–1 — +0.14 1981 1811 140.3 — — — — -1 -153 -196 64.1% +1.03 3–6 (33%) 6–0 (100%) 101.9 +1.97
1980 1735 137.7 — — — — +8 -158 — 55.7% +0.51 3–2 (60%) 1–0 — -0.18 1982 1745 140.3 — — — — -54 -4 -106 50.5% +0.01 1–8 (11%) 9–5 (64%) 95.5 -3.37
1981 1869 146.1 — — — — +63 -192 -295 56.7% +0.48 8–10 (44%) 6–5 (55%) 101.1 -3.04 1983 1770 144.1 — — — — -55 +93 -103 52.1% +0.47 5–3 (63%) 3–3 (50%) 102.6 -1.57
1982 1792 141.6 — — — — +56 -194 -210 47.1% -0.08 4–5 (44%) 2–3 (40%) 96.7 -0.75 1984 1914 155.3 — — — — +6 -60 -210 64.8% +1.01 3–6 (33%) 7–3 (70%) 100.3 -2.46
1983 1721 143.7 — — — — +53 -86 — 41.3% -0.43 4–7 (36%) 0–5 (0%) 91.3 -3.81 1985 1814 137.6 — — — — +80 -54 -188 53.1% +0.34 6–4 (60%) 3–3 (50%) 98.8 -1.08
1984 1703 128.4 — — — — -13 — -69 47.7% -0.47 5–5 (50%) 4–3 (57%) 101.0 -0.69 1986 1788 137.1 — — — — -56 +52 — 46.8% -0.18 7–4 (64%) 6–3 (67%) 103.7 -3.63
1985 1678 113.6 — — — — -29 -65 -67 43.1% -0.61 5–3 (63%) 1–3 (25%) 100.7 +2.10 1987 1673 114.3 — — — — -20 — -77 41.7% -0.56 3–5 (38%) 2–1 (67%) — -0.50
1986 1618 111.0 — — — — +10 — -24 38.5% -0.67 2–4 (33%) 0–3 (0%) 95.5 +1.60 1988 1552 100.5 — — — — +25 +207 — 36.4% -0.79 1–4 (20%) 1–2 (33%) 92.4 +1.01
1987 1594 117.2 — — — — +33 — — 35.7% -0.78 3–3 (50%) 0–1 — +0.29 1989 1547 93.6 — — — — — — — 0.0% -5.50 — — — -0.21
1988 1542 116.2 — — — — +33 -43 — 30.8% -1.31 4–4 (50%) 0–2 — -0.55 1990 1526 90.6 — — — — — — — 0.0% -5.00 — — — +0.21
1989 1592 121.3 — — — — +35 -116 — 31.4% -1.65 5–2 (71%) 4–2 (67%) 107.3 -2.88 — — — — — — — — — — — — — — — —
1990 1611 125.3 — — — — +8 -85 — 43.9% -0.63 1–2 (33%) 0–2 — -0.44 — — — — — — — — — — — — — — — —
1991 1630 119.4 — — — — +17 — — 41.4% -0.31 1–2 (33%) 0–2 — -0.69 — — — — — — — — — — — — — — — —
1992 1560 101.4 — — — — -16 — — 23.8% -2.00 0–3 (0%) 0–2 — -0.39 — — — — — — — — — — — — — — — —
1993 1555 103.2 — — — — -22 — — 42.9% -0.71 0–1 1–0 — -0.16 — — — — — — — — — — — — — — — —
Career 1932 136.4 — — — — +26 -124 -154 43.9% -0.44 46–55 (46%) 19–34 (36%) 92.3 -2.67 Career 1944 143.5 — — — — +1 +5 -153 53.9% +0.36 32–43 (43%) 38–21 (64%) 100.1 -2.42

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.