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

Mary Lou Piatek vs Cammy Macgregor H2H: 2-0

Mary Lou Piatek holds a 2–0 lead over Cammy Macgregor in their WTA head-to-head. Across 2 main-draw meetings, Mary Lou Piatek leads 1–0 on carpet and 1–0 on clay. Most recently, Mary Lou Piatek won the 1990 Hilton Head round of 64 6-3 6-4.

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Mary Lou Piatek
USA
H2H
2 – 0
2 main-draw meetings
Cammy Macgregor
USA Age 57 Right-Handed 168 cm / 5'6"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mary Lou Piatek 6-3 6-4 Cammy Macgregor #100 Match data Apr 4, 1990* R64 Hilton Head Tier I → modern equivalent WTA 1000 Clay
Mary Lou Piatek 7-5 6-3 Cammy Macgregor #76 Match data Nov 6, 1986* R32 Little Rock WTA 250 Carpet

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
Cammy Macgregor #625 #75 14 1,604 48 87 35.6% 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 Cammy Macgregor
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1978 0–1 0.0% — 1,499 0 0 1985 4–3 57.1% — 1,509 0 0
1979 3–5 37.5% — 1,546 0 0 1986 5–9 35.7% #77 1,534 0 0
1980 16–12 57.1% — 1,734 0 0 1987 11–17 39.3% #134 1,521 0 0
1981 30–22 57.7% — 1,869 0 1 1988 4–11 26.7% #188 1,503 0 0
1982 18–21 46.2% — 1,791 0 1 1989 8–9 47.1% #96 1,577 0 0
1983 12–20 37.5% — 1,720 0 1 1990 8–16 33.3% #119 1,518 0 0
1984 18–20 47.4% — 1,703 0 2 1991 4–7 36.4% #166 1,520 0 0
1985 14–18 43.8% — 1,677 0 2 1992 2–6 25.0% #198 1,515 0 0
1986 8–15 34.8% — 1,618 0 2 1993 2–9 18.2% #194 1,456 0 0
1987 6–12 33.3% — 1,594 0 2 — — — — — — —
1988 6–16 27.3% — 1,542 0 2 — — — — — — —
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 Cammy Macgregor
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% 1986 2 5 7 28.6% 0 1 1 0.0% 3 1 4 75.0% 0 2 2 0.0%
1979 1 1 2 50.0% 0 1 1 0.0% — — — — 2 3 5 40.0% 1987 9 9 18 50.0% — — — — 1 7 8 12.5% 1 1 2 50.0%
1980 5 3 8 62.5% 3 1 4 75.0% 0 2 2 0.0% 8 6 14 57.1% 1988 4 7 11 36.4% 0 2 2 0.0% 0 2 2 0.0% — — — —
1981 15 5 20 75.0% 6 4 10 60.0% 4 6 10 40.0% 5 7 12 41.7% 1989 8 7 15 53.3% — — — — 0 1 1 0.0% 0 1 1 0.0%
1982 4 5 9 44.4% 0 3 3 0.0% 1 2 3 33.3% 13 11 24 54.2% 1990 4 8 12 33.3% 3 5 8 37.5% 0 1 1 0.0% 1 2 3 33.3%
1983 5 6 11 45.5% 1 4 5 20.0% 0 2 2 0.0% 6 8 14 42.9% 1991 2 4 6 33.3% 1 2 3 33.3% 1 1 2 50.0% — — — —
1984 9 8 17 52.9% 0 1 1 0.0% 5 6 11 45.5% 4 5 9 44.4% 1992 2 3 5 40.0% 0 2 2 0.0% 0 1 1 0.0% — — — —
1985 7 11 18 38.9% 2 1 3 66.7% 1 2 3 33.3% 4 4 8 50.0% 1993 1 5 6 16.7% 0 1 1 0.0% 1 2 3 33.3% 0 1 1 0.0%
1986 5 5 10 50.0% 0 2 2 0.0% 1 2 3 33.3% 2 6 8 25.0% — — — — — — — — — — — — — — — — —
1987 3 5 8 37.5% 0 2 2 0.0% 0 2 2 0.0% 3 3 6 50.0% — — — — — — — — — — — — — — — — —
1988 4 9 13 30.8% 1 4 5 20.0% 0 1 1 0.0% 1 2 3 33.3% — — — — — — — — — — — — — — — — —
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 32 48 80 40.0% 4 13 17 23.5% 6 16 22 27.3% 2 7 9 22.2%

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 Cammy Macgregor
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 1985 1510 98.3 — — — — — — — 60.0% +0.13 0–1 — — +0.27
1979 1547 118.2 — — — — +97 — — 42.1% -0.89 1–2 (33%) 0–1 — +0.14 1986 1535 112.3 — — — — +5 — +100 38.7% -0.81 1–2 (33%) 1–4 (20%) 98.3 +0.56
1980 1735 137.7 — — — — +8 -158 — 55.7% +0.51 3–2 (60%) 1–0 — -0.18 1987 1522 96.7 — — — — +33 — -14 37.7% -0.89 4–3 (57%) 1–3 (25%) 99.9 +3.39
1981 1869 146.1 — — — — +63 -192 -295 56.7% +0.48 8–10 (44%) 6–5 (55%) 101.1 -3.04 1988 1504 126.9 — — — — +43 — — 37.1% -0.89 0–5 (0%) 0–3 (0%) 91.1 +0.12
1982 1792 141.6 — — — — +56 -194 -210 47.1% -0.08 4–5 (44%) 2–3 (40%) 96.7 -0.75 1989 1577 119.8 — — — — +24 — — 43.9% -0.68 5–2 (71%) 3–1 (75%) 105.5 +0.60
1983 1721 143.7 — — — — +53 -86 — 41.3% -0.43 4–7 (36%) 0–5 (0%) 91.3 -3.81 1990 1518 107.0 — — — — +28 -16 — 38.2% -1.11 2–5 (29%) 3–2 (60%) 97.7 +0.99
1984 1703 128.4 — — — — -13 — -69 47.7% -0.47 5–5 (50%) 4–3 (57%) 101.0 -0.69 1991 1521 113.3 — — — — +17 -24 — 41.4% -0.34 3–4 (43%) 2–2 (50%) 100.9 +0.55
1985 1678 113.6 — — — — -29 -65 -67 43.1% -0.61 5–3 (63%) 1–3 (25%) 100.7 +2.10 1992 1515 116.8 — — — — +43 — — 33.3% -1.11 0–2 — — -0.36
1986 1618 111.0 — — — — +10 — -24 38.5% -0.67 2–4 (33%) 0–3 (0%) 95.5 +1.60 1993 1456 107.1 — — — — +39 — +24 32.1% -1.04 1–5 (17%) — — +0.31
1987 1594 117.2 — — — — +33 — — 35.7% -0.78 3–3 (50%) 0–1 — +0.29 — — — — — — — — — — — — — — — —
1988 1542 116.2 — — — — +33 -43 — 30.8% -1.31 4–4 (50%) 0–2 — -0.55 — — — — — — — — — — — — — — — —
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 1605 115.1 — — — — +29 -18 +24 39.3% -0.82 16–29 (36%) 10–15 (40%) 92.1 +4.76

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.