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

Mary Lou Piatek vs Ann Grossman H2H: 0-3

Ann Grossman holds a 3–0 lead over Mary Lou Piatek in their WTA head-to-head. Across 3 main-draw meetings, Ann Grossman leads 1–0 on carpet and 1–0 on grass. Most recently, Ann Grossman won the 1990 Wimbledon round of 128 6-2 6-1.

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Mary Lou Piatek
USA
H2H
0 – 3
3 main-draw meetings
Ann Grossman
USA Age 55 Right-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ann Grossman #50 6-2 6-1 Mary Lou Piatek Match data Jun 27, 1990* R128 Wimbledon Grand Slam Grass
Ann Grossman #53 6-4 6-3 Mary Lou Piatek Match data Nov 10, 1988* R32 Chicago WTA 250 Carpet
Ann Grossman #62 6-3 6-2 Mary Lou Piatek Match data Oct 20, 1988* R32 Nashville WTA 250 Hard

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
Ann Grossman #343 #29 384 1,887 187 185 50.3% 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 Ann Grossman
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1978 0–1 0.0% — 1,499 0 0 1987 0–1 0.0% #378 1,497 0 0
1979 3–5 37.5% — 1,546 0 0 1988 15–12 55.6% #48 1,699 0 0
1980 16–12 57.1% — 1,734 0 0 1989 23–20 53.5% #54 1,736 0 0
1981 30–22 57.7% — 1,869 0 1 1990 23–22 51.1% #50 1,748 0 0
1982 18–21 46.2% — 1,791 0 1 1991 12–19 38.7% #89 1,638 0 0
1983 12–20 37.5% — 1,720 0 1 1992 23–17 57.5% #36 1,733 0 0
1984 18–20 47.4% — 1,703 0 2 1993 30–19 61.2% #35 1,804 0 0
1985 14–18 43.8% — 1,677 0 2 1994 27–21 56.2% #37 1,853 0 0
1986 8–15 34.8% — 1,618 0 2 1995 12–19 38.7% #88 1,681 0 0
1987 6–12 33.3% — 1,594 0 2 1996 10–14 41.7% #72 1,665 0 0
1988 6–16 27.3% — 1,542 0 2 1997 10–17 37.0% #75 1,615 0 0
1989 7–15 31.8% — 1,592 0 2 1998 2–4 33.3% #283 1,595 0 0
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 Ann Grossman
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% 1987 0 1 1 0.0% — — — — — — — — — — — —
1979 1 1 2 50.0% 0 1 1 0.0% — — — — 2 3 5 40.0% 1988 13 11 24 54.2% — — — — — — — — 2 1 3 66.7%
1980 5 3 8 62.5% 3 1 4 75.0% 0 2 2 0.0% 8 6 14 57.1% 1989 16 11 27 59.3% 7 6 13 53.8% 0 2 2 0.0% 0 1 1 0.0%
1981 15 5 20 75.0% 6 4 10 60.0% 4 6 10 40.0% 5 7 12 41.7% 1990 9 12 21 42.9% 12 7 19 63.2% 1 1 2 50.0% 1 2 3 33.3%
1982 4 5 9 44.4% 0 3 3 0.0% 1 2 3 33.3% 13 11 24 54.2% 1991 4 11 15 26.7% 6 6 12 50.0% 1 1 2 50.0% 1 1 2 50.0%
1983 5 6 11 45.5% 1 4 5 20.0% 0 2 2 0.0% 6 8 14 42.9% 1992 15 8 23 65.2% 5 6 11 45.5% — — — — 3 3 6 50.0%
1984 9 8 17 52.9% 0 1 1 0.0% 5 6 11 45.5% 4 5 9 44.4% 1993 21 12 33 63.6% 4 3 7 57.1% 1 1 2 50.0% 4 3 7 57.1%
1985 7 11 18 38.9% 2 1 3 66.7% 1 2 3 33.3% 4 4 8 50.0% 1994 16 10 26 61.5% 9 7 16 56.3% 2 1 3 66.7% 0 3 3 0.0%
1986 5 5 10 50.0% 0 2 2 0.0% 1 2 3 33.3% 2 6 8 25.0% 1995 5 10 15 33.3% 6 8 14 42.9% 1 1 2 50.0% — — — —
1987 3 5 8 37.5% 0 2 2 0.0% 0 2 2 0.0% 3 3 6 50.0% 1996 8 9 17 47.1% 2 4 6 33.3% 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% 1997 3 9 12 25.0% 7 7 14 50.0% 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% 1998 1 2 3 33.3% 1 2 3 33.3% — — — — — — — —
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 111 106 217 51.2% 59 56 115 51.3% 6 9 15 40.0% 11 14 25 44.0%

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.

Mary Lou Piatek Ann Grossman
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 1987 1497 101.9 — — — — — — — 0.0% -4.00 — — — -0.15
1979 1547 118.2 — — — — +97 — — 42.1% -0.89 1–2 (33%) 0–1 — +0.14 1988 1699 133.9 — — — — +28 — — 54.1% +0.13 4–3 (57%) 0–5 (0%) 100.1 +0.16
1980 1735 137.7 — — — — +8 -158 — 55.7% +0.51 3–2 (60%) 1–0 — -0.18 1989 1737 136.2 — — — — +43 -89 — 52.5% +0.05 8–7 (53%) 4–5 (44%) 101.2 -1.22
1981 1869 146.1 — — — — +63 -192 -295 56.7% +0.48 8–10 (44%) 6–5 (55%) 101.1 -3.04 1990 1749 136.3 — — — — -12 +8 — 51.0% +0.02 7–7 (50%) 2–4 (33%) — -1.48
1982 1792 141.6 — — — — +56 -194 -210 47.1% -0.08 4–5 (44%) 2–3 (40%) 96.7 -0.75 1991 1638 126.7 — — — — -16 +89 — 44.3% +0.06 3–7 (30%) 2–6 (25%) 91.9 +0.49
1983 1721 143.7 — — — — +53 -86 — 41.3% -0.43 4–7 (36%) 0–5 (0%) 91.3 -3.81 1992 1733 132.9 — — — — +24 -9 — 52.9% -0.03 6–3 (67%) 6–1 (86%) 108.7 +1.73
1984 1703 128.4 — — — — -13 — -69 47.7% -0.47 5–5 (50%) 4–3 (57%) 101.0 -0.69 1993 1805 140.5 — — — — +9 -60 — 59.6% +0.62 6–7 (46%) 6–3 (67%) 103.6 +0.77
1985 1678 113.6 — — — — -29 -65 -67 43.1% -0.61 5–3 (63%) 1–3 (25%) 100.7 +2.10 1994 1853 146.2 — — — — 0 -73 -249 53.6% -0.01 10–6 (63%) 5–2 (71%) 107.3 -1.02
1986 1618 111.0 — — — — +10 — -24 38.5% -0.67 2–4 (33%) 0–3 (0%) 95.5 +1.60 1995 1681 123.7 — — — — +38 +44 — 40.8% -0.46 4–5 (44%) 3–9 (25%) 92.7 +0.33
1987 1594 117.2 — — — — +33 — — 35.7% -0.78 3–3 (50%) 0–1 — +0.29 1996 1666 130.2 — — — — +49 +8 — 42.9% -0.62 4–4 (50%) 0–2 — -0.99
1988 1542 116.2 — — — — +33 -43 — 30.8% -1.31 4–4 (50%) 0–2 — -0.55 1997 1615 123.7 — — — — +26 +98 — 38.6% -1.25 1–4 (20%) 2–2 (50%) 97.1 -0.41
1989 1592 121.3 — — — — +35 -116 — 31.4% -1.65 5–2 (71%) 4–2 (67%) 107.3 -2.88 1998 1595 103.2 — — — — +41 +76 — 33.3% -1.58 — 1–0 — +0.11
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 1888 140.3 — — — — +18 +6 -249 49.9% -0.10 53–53 (50%) 31–39 (44%) 99.5 -0.45

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.