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

Pam Teeguarden vs Mary Lou Piatek H2H: 1-0

Pam Teeguarden holds a 1–0 lead over Mary Lou Piatek in their WTA head-to-head. Across 1 main-draw meeting, Pam Teeguarden leads 1–0 on grass. Most recently, Pam Teeguarden won the 1981 Sydney International round of 64 6-2 6-3.

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Pam Teeguarden
USA Age 75 Right-Handed 178 cm / 5'10"
H2H
1 – 0
1 main-draw meetings
Mary Lou Piatek
USA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Pam Teeguarden 6-2 6-3 Mary Lou Piatek Match data Nov 25, 1981* R64 Sydney International WTA 500 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
Pam Teeguarden — — — 1,922 246 297 45.3% 0 0 0 0 4 4
Mary Lou Piatek — — — 1,931 153 206 42.6% 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.

Pam Teeguarden Mary Lou Piatek
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 12–17 41.4% — 1,488 0 0 1978 0–1 0.0% — 1,499 0 0
1969 5–11 31.2% — 1,493 0 0 1979 3–5 37.5% — 1,546 0 0
1970 19–19 50.0% — 1,612 0 1 1980 16–12 57.1% — 1,734 0 0
1971 17–21 44.7% — 1,679 0 1 1981 30–22 57.7% — 1,869 0 1
1972 31–25 55.4% — 1,868 0 1 1982 18–21 46.2% — 1,791 0 1
1973 22–23 48.9% — 1,839 0 1 1983 12–20 37.5% — 1,720 0 1
1974 22–18 55.0% — 1,901 0 3 1984 18–20 47.4% — 1,703 0 2
1975 21–25 45.7% — 1,816 0 3 1985 14–18 43.8% — 1,677 0 2
1976 7–14 33.3% — 1,779 0 3 1986 8–15 34.8% — 1,618 0 2
1977 14–20 41.2% — 1,762 0 3 1987 6–12 33.3% — 1,594 0 2
1978 11–19 36.7% — 1,723 0 3 1988 6–16 27.3% — 1,542 0 2
1979 13–19 40.6% — 1,746 0 3 1989 7–15 31.8% — 1,592 0 2
1980 17–16 51.5% — 1,802 0 3 1990 8–11 42.1% — 1,611 0 2
1981 20–19 51.3% — 1,789 0 4 1991 5–8 38.5% — 1,629 0 2
1982 3–10 23.1% — 1,682 0 4 1992 1–8 11.1% — 1,559 0 2
1983 4–6 40.0% — 1,651 0 4 1993 1–2 33.3% — 1,554 0 2
1984 8–11 42.1% — 1,615 0 4 — — — — — — —
1985 0–4 0.0% — 1,587 0 4 — — — — — — —

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.

Pam Teeguarden 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 %
1968 6 5 11 54.5% 2 3 5 40.0% 2 4 6 33.3% 2 5 7 28.6% 1978 — — — — — — — — — — — — 0 1 1 0.0%
1969 1 1 2 50.0% 1 4 5 20.0% 3 6 9 33.3% — — — — 1979 1 1 2 50.0% 0 1 1 0.0% — — — — 2 3 5 40.0%
1970 7 3 10 70.0% 4 6 10 40.0% 5 8 13 38.5% 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%
1971 3 2 5 60.0% 10 12 22 45.5% 3 6 9 33.3% 1 1 2 50.0% 1981 15 5 20 75.0% 6 4 10 60.0% 4 6 10 40.0% 5 7 12 41.7%
1972 3 3 6 50.0% 13 9 22 59.1% 15 6 21 71.4% 0 7 7 0.0% 1982 4 5 9 44.4% 0 3 3 0.0% 1 2 3 33.3% 13 11 24 54.2%
1973 5 4 9 55.6% 7 8 15 46.7% 8 5 13 61.5% 2 6 8 25.0% 1983 5 6 11 45.5% 1 4 5 20.0% 0 2 2 0.0% 6 8 14 42.9%
1974 6 5 11 54.5% 1 2 3 33.3% 8 4 12 66.7% 6 7 13 46.2% 1984 9 8 17 52.9% 0 1 1 0.0% 5 6 11 45.5% 4 5 9 44.4%
1975 2 5 7 28.6% 14 10 24 58.3% 4 2 6 66.7% 1 8 9 11.1% 1985 7 11 18 38.9% 2 1 3 66.7% 1 2 3 33.3% 4 4 8 50.0%
1976 0 1 1 0.0% 1 3 4 25.0% 2 2 4 50.0% 4 8 12 33.3% 1986 5 5 10 50.0% 0 2 2 0.0% 1 2 3 33.3% 2 6 8 25.0%
1977 2 4 6 33.3% 6 7 13 46.2% 4 4 8 50.0% 2 5 7 28.6% 1987 3 5 8 37.5% 0 2 2 0.0% 0 2 2 0.0% 3 3 6 50.0%
1978 2 7 9 22.2% 3 4 7 42.9% 4 3 7 57.1% 2 5 7 28.6% 1988 4 9 13 30.8% 1 4 5 20.0% 0 1 1 0.0% 1 2 3 33.3%
1979 5 6 11 45.5% 1 3 4 25.0% 4 3 7 57.1% 3 7 10 30.0% 1989 7 9 16 43.8% 0 3 3 0.0% 0 2 2 0.0% 0 1 1 0.0%
1980 6 5 11 54.5% 3 3 6 50.0% 2 2 4 50.0% 6 6 12 50.0% 1990 4 5 9 44.4% 3 3 6 50.0% 0 1 1 0.0% 1 2 3 33.3%
1981 1 5 6 16.7% 2 1 3 66.7% 6 4 10 60.0% 6 9 15 40.0% 1991 5 5 10 50.0% 0 2 2 0.0% — — — — 0 1 1 0.0%
1982 0 1 1 0.0% 0 1 1 0.0% 3 2 5 60.0% 0 6 6 0.0% 1992 0 6 6 0.0% 1 1 2 50.0% 0 1 1 0.0% — — — —
1983 3 3 6 50.0% 1 2 3 33.3% 0 1 1 0.0% — — — — 1993 1 2 3 33.3% — — — — — — — — — — — —
1984 5 4 9 55.6% 1 3 4 25.0% 2 3 5 40.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
1985 0 2 2 0.0% 0 1 1 0.0% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
Career 57 66 123 46.3% 70 82 152 46.1% 75 65 140 53.6% 36 83 119 30.3% Career 75 85 160 46.9% 17 32 49 34.7% 12 29 41 29.3% 49 60 109 45.0%

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.

Pam Teeguarden 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
1968 1489 104.8 — — — — +4 -5 +11 45.0% -0.33 1–5 (17%) — — -0.27 1978 1499 106.8 — — — — — — — 0.0% -3.50 — — — -0.12
1969 1494 104.2 — — — — — -42 +25 36.1% -1.11 1–3 (25%) — — -0.40 1979 1547 118.2 — — — — +97 — — 42.1% -0.89 1–2 (33%) 0–1 — +0.14
1970 1613 133.6 — — — — +18 -130 -29 52.9% +0.58 2–9 (18%) 0–1 — -0.45 1980 1735 137.7 — — — — +8 -158 — 55.7% +0.51 3–2 (60%) 1–0 — -0.18
1971 1679 136.1 — — — — +4 -80 -95 47.1% +0.06 3–6 (33%) 0–2 — -0.97 1981 1869 146.1 — — — — +63 -192 -295 56.7% +0.48 8–10 (44%) 6–5 (55%) 101.1 -3.04
1972 1868 151.0 — — — — -247 -107 -5 55.4% +0.26 4–9 (31%) 1–1 — -7.18 1982 1792 141.6 — — — — +56 -194 -210 47.1% -0.08 4–5 (44%) 2–3 (40%) 96.7 -0.75
1973 1839 149.0 — — — — -139 -96 +71 50.5% -0.06 6–9 (40%) 4–4 (50%) 100.2 -9.05 1983 1721 143.7 — — — — +53 -86 — 41.3% -0.43 4–7 (36%) 0–5 (0%) 91.3 -3.81
1974 1902 145.5 — — — — -77 -170 +7 52.8% +0.33 6–3 (67%) 3–1 (75%) — -4.34 1984 1703 128.4 — — — — -13 — -69 47.7% -0.47 5–5 (50%) 4–3 (57%) 101.0 -0.69
1975 1817 144.3 — — — — -102 +1 +94 46.8% -0.11 8–9 (47%) 6–6 (50%) 99.4 -4.08 1985 1678 113.6 — — — — -29 -65 -67 43.1% -0.61 5–3 (63%) 1–3 (25%) 100.7 +2.10
1976 1779 135.2 — — — — -111 -7 +168 38.0% -1.00 3–5 (38%) — — -3.53 1986 1618 111.0 — — — — +10 — -24 38.5% -0.67 2–4 (33%) 0–3 (0%) 95.5 +1.60
1977 1763 141.5 — — — — -105 0 +158 41.4% -0.63 3–3 (50%) 4–7 (36%) 98.3 -3.44 1987 1594 117.2 — — — — +33 — — 35.7% -0.78 3–3 (50%) 0–1 — +0.29
1978 1724 122.7 — — — — -143 -12 +180 36.8% -0.90 5–5 (50%) 3–6 (33%) 97.4 -2.11 1988 1542 116.2 — — — — +33 -43 — 30.8% -1.31 4–4 (50%) 0–2 — -0.55
1979 1746 144.0 — — — — -120 -19 +184 42.7% -0.37 5–6 (45%) 4–7 (36%) 99.3 -1.56 1989 1592 121.3 — — — — +35 -116 — 31.4% -1.65 5–2 (71%) 4–2 (67%) 107.3 -2.88
1980 1802 134.4 — — — — -98 -69 +93 48.1% -0.16 7–6 (54%) 3–4 (43%) 101.0 -1.72 1990 1611 125.3 — — — — +8 -85 — 43.9% -0.63 1–2 (33%) 0–2 — -0.44
1981 1789 134.6 — — — — -128 -12 +88 52.2% +0.34 6–8 (43%) 3–4 (43%) 97.5 -0.17 1991 1630 119.4 — — — — +17 — — 41.4% -0.31 1–2 (33%) 0–2 — -0.69
1982 1683 118.4 — — — — -148 — +191 31.3% -1.16 2–4 (33%) 0–1 — +0.19 1992 1560 101.4 — — — — -16 — — 23.8% -2.00 0–3 (0%) 0–2 — -0.39
1983 1652 106.0 — — — — -83 +79 — 45.8% -0.13 1–3 (25%) 2–3 (40%) 96.0 +0.80 1993 1555 103.2 — — — — -22 — — 42.9% -0.71 0–1 1–0 — -0.16
1984 1615 107.2 — — — — -38 +70 +200 40.9% -0.93 4–2 (67%) 3–1 (75%) 105.0 +1.32 — — — — — — — — — — — — — — — —
1985 1588 113.3 — — — — -40 — — 11.1% -2.78 0–1 0–1 — -0.53 — — — — — — — — — — — — — — — —
Career 1923 143.0 — — — — -97 -51 +59 46.5% -0.19 67–96 (41%) 36–49 (42%) 93.3 -6.98 Career 1932 136.4 — — — — +26 -124 -154 43.9% -0.44 46–55 (46%) 19–34 (36%) 92.3 -2.67

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.