H2H data updated: 2026-10-28 00:00 UTC

Bonnie Gadusek vs Mary Lou Piatek H2H: 3-0

Bonnie Gadusek holds a 3–0 lead over Mary Lou Piatek in their WTA head-to-head. Across 3 main-draw meetings, Bonnie Gadusek leads 2–0 on carpet and 1–0 on hard courts. Most recently, Bonnie Gadusek won the 1985 Indianapolis 2 quarterfinal 6-1 6-4.

USA Age 63 Right-Handed 170 cm / 5'7"
H2H
3 – 0
3 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Bonnie Gadusek 6-1 6-4 Mary Lou Piatek Match data Oct 12, 1985* QF Indianapolis 2 WTA 250 Hard
Bonnie Gadusek 6-1 6-2 Mary Lou Piatek Match data Feb 9, 1984* R32 Chicago WTA 250 Carpet
Bonnie Gadusek 1-6 6-4 6-3 Mary Lou Piatek Match data Mar 17, 1983* R32 Boston 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
Bonnie Gadusek — #10 — 2,076 189 94 66.8% 0 0 0 0 8 8
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.

Bonnie Gadusek Mary Lou Piatek
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1980 24–4 85.7% — 1,733 0 3 1978 0–1 0.0% — 1,499 0 0
1981 12–14 46.2% — 1,771 0 3 1979 3–5 37.5% — 1,547 0 0
1982 39–24 61.9% — 1,921 0 3 1980 20–13 60.6% — 1,762 0 0
1983 24–15 61.5% — 1,933 0 3 1981 30–22 57.7% — 1,874 0 1
1984 29–13 69.0% — 1,958 0 4 1982 18–21 46.2% — 1,793 0 1
1985 45–12 78.9% #10 2,047 0 8 1983 12–20 37.5% — 1,721 0 1
1986 16–9 64.0% — 2,018 0 8 1984 18–20 47.4% — 1,704 0 2
1987 0–3 0.0% — 1,935 0 8 1985 14–18 43.8% — 1,678 0 2
— — — — — — — 1986 8–15 34.8% — 1,618 0 2
— — — — — — — 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% — 1,560 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.

Bonnie Gadusek 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 %
1980 5 1 6 83.3% — — — — — — — — — — — — 1978 — — — — — — — — — — — — 0 1 1 0.0%
1981 3 3 6 50.0% 5 6 11 45.5% 3 3 6 50.0% 1 2 3 33.3% 1979 1 1 2 50.0% 0 1 1 0.0% — — — — 2 3 5 40.0%
1982 9 6 15 60.0% 21 8 29 72.4% — — — — 9 10 19 47.4% 1980 5 3 8 62.5% 3 1 4 75.0% 0 2 2 0.0% 12 7 19 63.2%
1983 9 4 13 69.2% 12 6 18 66.7% — — — — 3 5 8 37.5% 1981 15 5 20 75.0% 6 4 10 60.0% 4 6 10 40.0% 5 7 12 41.7%
1984 9 4 13 69.2% 12 4 16 75.0% — — — — 8 5 13 61.5% 1982 4 5 9 44.4% 0 3 3 0.0% 1 2 3 33.3% 13 11 24 54.2%
1985 23 6 29 79.3% 10 2 12 83.3% 1 1 2 50.0% 11 3 14 78.6% 1983 5 6 11 45.5% 1 4 5 20.0% 0 2 2 0.0% 6 8 14 42.9%
1986 9 4 13 69.2% 2 1 3 66.7% — — — — 5 4 9 55.6% 1984 9 8 17 52.9% 0 1 1 0.0% 5 6 11 45.5% 4 5 9 44.4%
1987 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%
— — — — — — — — — — — — — — — — — 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 67 30 97 69.1% 62 27 89 69.7% 4 4 8 50.0% 37 30 67 55.2% 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.

Bonnie Gadusek 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
1980 1734 141.9 — — — — -66 — — 88.9% +3.20 2–2 (50%) 1–1 — +1.71 1978 1499 106.9 — — — — — — — 0.0% -3.50 — — — -0.11
1981 1772 135.5 — — — — -52 -197 -119 48.3% -0.18 3–5 (38%) 0–3 (0%) — -2.48 1979 1547 118.3 — — — — +98 — — 42.1% -0.89 1–2 (33%) 0–1 — +0.12
1982 1921 157.2 — — — — -96 -3 — 60.0% +0.84 6–4 (60%) 4–7 (36%) 102.6 -4.47 1980 1763 137.4 — — — — +9 -186 — 57.7% +0.61 4–3 (57%) 3–0 (100%) — +0.65
1983 1933 154.5 — — — — -36 +22 — 57.5% +0.78 7–2 (78%) 4–2 (67%) 107.8 -1.56 1981 1875 146.3 — — — — +65 -198 -301 56.7% +0.48 8–10 (44%) 6–5 (55%) 100.9 -2.75
1984 1958 154.9 — — — — -39 +72 — 63.7% +0.77 7–2 (78%) 5–0 (100%) 109.4 -2.39 1982 1794 142.2 — — — — +59 -196 -212 47.1% -0.08 4–5 (44%) 2–3 (40%) 96.6 -0.89
1985 2048 157.2 — — — — -7 +64 — 76.6% +1.90 5–5 (50%) 8–5 (62%) 98.1 +0.25 1983 1722 143.9 — — — — +55 -87 — 41.3% -0.43 4–7 (36%) 0–5 (0%) 91.3 -4.11
1986 2018 152.6 — — — — -24 +105 — 59.6% +0.67 5–2 (71%) 1–4 (20%) 99.6 -1.95 1984 1704 128.6 — — — — -14 — -70 47.7% -0.47 5–5 (50%) 4–3 (57%) 100.9 -0.88
1987 1936 93.2 — — — — -35 — — 0.0% -3.83 — — — +0.06 1985 1678 113.9 — — — — -28 -65 -67 43.1% -0.61 5–3 (63%) 1–3 (25%) 100.7 +1.98
— — — — — — — — — — — — — — — — 1986 1619 111.1 — — — — +10 — -25 38.5% -0.67 2–4 (33%) 0–3 (0%) 95.5 +1.45
— — — — — — — — — — — — — — — — 1987 1595 117.3 — — — — +33 — — 35.7% -0.78 3–3 (50%) 0–1 — +0.12
— — — — — — — — — — — — — — — — 1988 1543 116.2 — — — — +33 -44 — 30.8% -1.31 4–4 (50%) 0–2 — -0.58
— — — — — — — — — — — — — — — — 1989 1593 121.4 — — — — +35 -117 — 31.4% -1.65 5–2 (71%) 4–2 (67%) 107.3 -2.73
— — — — — — — — — — — — — — — — 1990 1612 125.3 — — — — +7 -86 — 43.9% -0.63 1–2 (33%) 0–2 — -0.44
— — — — — — — — — — — — — — — — 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 2076 158.6 — — — — -42 +4 -119 64.4% +1.08 35–22 (61%) 23–22 (51%) 106.6 -3.87 Career 1938 136.6 — — — — +26 -129 -156 44.3% -0.42 47–56 (46%) 21–34 (38%) 92.7 -2.59

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.