H2H data updated: 2026-10-17 00:00 UTC

Glynis Coles vs Mary Lou Piatek H2H: 0-1

Mary Lou Piatek holds a 1–0 lead over Glynis Coles in their WTA head-to-head. Across 1 main-draw meeting, Mary Lou Piatek leads 1–0 on carpet. Most recently, Mary Lou Piatek won the 1980 Las Vegas Futures round of 16 6-2 4-6 7-6(3).

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Glynis Coles
GBR Age 72 Right-Handed 173 cm / 5'8"
H2H
0 – 1
1 main-draw meetings
Mary Lou Piatek
USA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mary Lou Piatek 6-2 4-6 7-6(3) Glynis Coles Match data Jan 18, 1980* R16 Las Vegas Futures 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
Glynis Coles — — — 1,829 145 192 43.0% 0 0 0 0 3 3
Mary Lou Piatek — — — 1,938 157 207 43.1% 0 0 0 0 2 2

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.

Glynis Coles Mary Lou Piatek
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1970 0–1 0.0% — 1,483 0 0 1978 0–1 0.0% — 1,499 0 0
1971 2–6 25.0% — 1,477 0 0 1979 3–5 37.5% — 1,547 0 0
1972 15–15 50.0% — 1,595 0 0 1980 20–13 60.6% — 1,762 0 0
1973 32–19 62.7% — 1,794 0 2 1981 30–22 57.7% — 1,874 0 1
1974 21–23 47.7% — 1,694 0 2 1982 18–21 46.2% — 1,793 0 1
1975 26–21 55.3% — 1,781 0 3 1983 12–20 37.5% — 1,721 0 1
1976 13–20 39.4% — 1,720 0 3 1984 18–20 47.4% — 1,704 0 2
1977 13–19 40.6% — 1,672 0 3 1985 14–18 43.8% — 1,678 0 2
1978 8–18 30.8% — 1,555 0 3 1986 8–15 34.8% — 1,618 0 2
1979 4–6 40.0% — 1,600 0 3 1987 6–12 33.3% — 1,594 0 2
1980 4–20 16.7% — 1,461 0 3 1988 6–16 27.3% — 1,542 0 2
1981 7–12 36.8% — 1,553 0 3 1989 7–15 31.8% — 1,592 0 2
1982 0–11 0.0% — 1,475 0 3 1990 8–11 42.1% — 1,611 0 2
1986 0–1 0.0% — 1,472 0 3 1991 5–8 38.5% — 1,629 0 2
— — — — — — — 1992 1–8 11.1% — 1,560 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.

Glynis Coles Mary Lou Piatek
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% — — — — — — — — 1978 — — — — — — — — — — — — 0 1 1 0.0%
1971 — — — — 2 3 5 40.0% 0 1 1 0.0% 0 2 2 0.0% 1979 1 1 2 50.0% 0 1 1 0.0% — — — — 2 3 5 40.0%
1972 — — — — 5 4 9 55.6% 8 8 16 50.0% 2 3 5 40.0% 1980 5 3 8 62.5% 3 1 4 75.0% 0 2 2 0.0% 12 7 19 63.2%
1973 1 1 2 50.0% 11 8 19 57.9% 13 6 19 68.4% 7 4 11 63.6% 1981 15 5 20 75.0% 6 4 10 60.0% 4 6 10 40.0% 5 7 12 41.7%
1974 1 2 3 33.3% 8 9 17 47.1% 4 5 9 44.4% 6 6 12 50.0% 1982 4 5 9 44.4% 0 3 3 0.0% 1 2 3 33.3% 13 11 24 54.2%
1975 2 3 5 40.0% 16 10 26 61.5% 6 4 10 60.0% 2 4 6 33.3% 1983 5 6 11 45.5% 1 4 5 20.0% 0 2 2 0.0% 6 8 14 42.9%
1976 2 3 5 40.0% 8 9 17 47.1% 0 1 1 0.0% 3 7 10 30.0% 1984 9 8 17 52.9% 0 1 1 0.0% 5 6 11 45.5% 4 5 9 44.4%
1977 2 3 5 40.0% 6 7 13 46.2% 0 3 3 0.0% 2 4 6 33.3% 1985 7 11 18 38.9% 2 1 3 66.7% 1 2 3 33.3% 4 4 8 50.0%
1978 3 6 9 33.3% 3 5 8 37.5% 1 4 5 20.0% 1 3 4 25.0% 1986 5 5 10 50.0% 0 2 2 0.0% 1 2 3 33.3% 2 6 8 25.0%
1979 — — — — — — — — 1 3 4 25.0% 2 2 4 50.0% 1987 3 5 8 37.5% 0 2 2 0.0% 0 2 2 0.0% 3 3 6 50.0%
1980 1 6 7 14.3% 0 5 5 0.0% 0 2 2 0.0% 3 7 10 30.0% 1988 4 9 13 30.8% 1 4 5 20.0% 0 1 1 0.0% 1 2 3 33.3%
1981 3 3 6 50.0% 0 3 3 0.0% 2 1 3 66.7% 2 5 7 28.6% 1989 7 9 16 43.8% 0 3 3 0.0% 0 2 2 0.0% 0 1 1 0.0%
1982 0 3 3 0.0% 0 3 3 0.0% 0 2 2 0.0% 0 3 3 0.0% 1990 4 5 9 44.4% 3 3 6 50.0% 0 1 1 0.0% 1 2 3 33.3%
1986 — — — — — — — — 0 1 1 0.0% — — — — 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 15 30 45 33.3% 59 67 126 46.8% 35 41 76 46.1% 30 50 80 37.5% Career 75 85 160 46.9% 17 32 49 34.7% 12 29 41 29.3% 53 61 114 46.5%

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.

Glynis Coles Mary Lou Piatek
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 1484 98.5 — — — — — — — 0.0% -2.50 — — — +0.15 1978 1499 106.9 — — — — — — — 0.0% -3.50 — — — -0.12
1971 1477 107.5 — — — — — +18 — 29.4% -1.53 0–1 — — -0.08 1979 1547 118.3 — — — — +98 — — 42.1% -0.89 1–2 (33%) 0–1 — +0.15
1972 1596 123.8 — — — — -44 -42 +3 46.6% -0.12 1–1 1–3 (25%) — +0.63 1980 1762 137.4 — — — — +10 -185 — 57.7% +0.61 4–3 (57%) 3–0 (100%) — +0.71
1973 1795 138.7 — — — — -82 -146 -24 59.8% +0.77 7–3 (70%) 3–3 (50%) 105.2 +3.46 1981 1875 146.3 — — — — +65 -198 -301 56.7% +0.48 8–10 (44%) 6–5 (55%) 100.9 -3.08
1974 1694 129.5 — — — — +21 -45 +27 44.8% -0.37 7–7 (50%) 6–4 (60%) 100.5 -0.56 1982 1794 142.2 — — — — +59 -195 -212 47.1% -0.08 4–5 (44%) 2–3 (40%) 96.6 -0.75
1975 1781 139.8 — — — — -63 -41 +17 54.6% +0.27 9–7 (56%) 3–6 (33%) 102.5 -3.20 1983 1722 143.9 — — — — +55 -87 — 41.3% -0.43 4–7 (36%) 0–5 (0%) 91.3 -4.34
1976 1720 129.7 — — — — -28 -16 — 41.9% -0.85 3–5 (38%) 3–1 (75%) 100.2 -2.21 1984 1704 128.6 — — — — -14 — -70 47.7% -0.47 5–5 (50%) 4–3 (57%) 100.9 -0.72
1977 1673 128.2 — — — — -20 +15 +56 46.5% -0.30 4–7 (36%) 3–2 (60%) 96.1 +0.65 1985 1678 113.9 — — — — -28 -65 -67 43.1% -0.61 5–3 (63%) 1–3 (25%) 100.7 +1.98
1978 1556 112.0 — — — — +32 +67 +101 37.9% -0.67 0–6 (0%) 3–2 (60%) 92.8 +1.80 1986 1619 111.1 — — — — +10 — -25 38.5% -0.67 2–4 (33%) 0–3 (0%) 95.5 +1.55
1979 1601 112.8 — — — — +33 — +38 37.5% -1.37 3–1 (75%) 3–1 (75%) 103.8 -0.18 1987 1595 117.3 — — — — +33 — — 35.7% -0.78 3–3 (50%) 0–1 — +0.25
1980 1461 99.9 — — — — +28 +53 — 23.6% -1.89 2–5 (29%) 0–2 — +1.35 1988 1543 116.2 — — — — +33 -44 — 30.8% -1.31 4–4 (50%) 0–2 — -0.55
1981 1554 119.2 — — — — +46 -54 +102 36.6% -1.61 2–1 (67%) 1–0 — +0.47 1989 1593 121.4 — — — — +35 -117 — 31.4% -1.65 5–2 (71%) 4–2 (67%) 107.3 -2.72
1982 1475 93.2 — — — — +5 -45 — 12.0% -2.60 0–3 (0%) 0–1 — -0.62 1990 1612 125.3 — — — — +7 -86 — 43.9% -0.63 1–2 (33%) 0–2 — -0.44
1986 1473 102.0 — — — — — — — 33.3% -0.67 0–1 — — -0.16 1991 1630 119.5 — — — — +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 — — — — -21 — — 42.9% -0.71 0–1 1–0 — -0.16
Career 1829 130.7 — — — — -5 -36 +16 44.1% -0.47 38–48 (44%) 26–25 (51%) 98.1 +0.45 Career 1938 136.6 — — — — +26 -129 -156 44.3% -0.42 47–56 (46%) 21–34 (38%) 92.7 -2.57

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.