H2H data updated: 2026-09-12 00:00 UTC

Mary Lou Piatek vs Etsuko Inoue H2H: 1-0

Mary Lou Piatek holds a 1–0 lead over Etsuko Inoue 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 1985 Denver round of 32 6-2 3-6 6-4.

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Mary Lou Piatek
USA
H2H
1 – 0
1 main-draw meetings
Etsuko Inoue
JPN Age 61 Right-Handed 164 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mary Lou Piatek 6-2 3-6 6-4 Etsuko Inoue Match data Jan 17, 1985* R32 Denver 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
Etsuko Inoue #310 #26 27 1,803 120 133 47.4% 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.

Mary Lou Piatek Etsuko Inoue
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1978 0–1 0.0% — 1,499 0 0 1980 0–1 0.0% — 1,487 0 0
1979 3–5 37.5% — 1,546 0 0 1981 0–1 0.0% — 1,483 0 0
1980 16–12 57.1% — 1,734 0 0 1982 3–2 60.0% — 1,523 0 0
1981 30–22 57.7% — 1,869 0 1 1983 17–15 53.1% — 1,641 0 1
1982 18–21 46.2% — 1,791 0 1 1984 19–19 50.0% #68 1,699 0 2
1983 12–20 37.5% — 1,720 0 1 1985 13–21 38.2% #70 1,633 0 2
1984 18–20 47.4% — 1,703 0 2 1986 9–14 39.1% #80 1,635 0 2
1985 14–18 43.8% — 1,677 0 2 1987 20–15 57.1% #30 1,764 0 2
1986 8–15 34.8% — 1,618 0 2 1988 11–14 44.0% #52 1,703 0 2
1987 6–12 33.3% — 1,594 0 2 1989 15–18 45.5% #68 1,669 0 2
1988 6–16 27.3% — 1,542 0 2 1990 13–13 50.0% #70 1,661 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 Etsuko Inoue
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% 1981 — — — — — — — — — — — — 0 1 1 0.0%
1979 1 1 2 50.0% 0 1 1 0.0% — — — — 2 3 5 40.0% 1982 3 2 5 60.0% — — — — — — — — — — — —
1980 5 3 8 62.5% 3 1 4 75.0% 0 2 2 0.0% 8 6 14 57.1% 1983 5 5 10 50.0% 4 4 8 50.0% 3 6 9 33.3% — — — —
1981 15 5 20 75.0% 6 4 10 60.0% 4 6 10 40.0% 5 7 12 41.7% 1984 9 7 16 56.3% 6 7 13 46.2% 2 3 5 40.0% 2 2 4 50.0%
1982 4 5 9 44.4% 0 3 3 0.0% 1 2 3 33.3% 13 11 24 54.2% 1985 5 9 14 35.7% 4 5 9 44.4% 4 5 9 44.4% 0 2 2 0.0%
1983 5 6 11 45.5% 1 4 5 20.0% 0 2 2 0.0% 6 8 14 42.9% 1986 3 7 10 30.0% 0 2 2 0.0% 6 3 9 66.7% 0 2 2 0.0%
1984 9 8 17 52.9% 0 1 1 0.0% 5 6 11 45.5% 4 5 9 44.4% 1987 7 6 13 53.8% — — — — 9 6 15 60.0% 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% 1988 4 8 12 33.3% — — — — 5 5 10 50.0% 2 1 3 66.7%
1986 5 5 10 50.0% 0 2 2 0.0% 1 2 3 33.3% 2 6 8 25.0% 1989 11 14 25 44.0% — — — — 4 3 7 57.1% 0 1 1 0.0%
1987 3 5 8 37.5% 0 2 2 0.0% 0 2 2 0.0% 3 3 6 50.0% 1990 10 9 19 52.6% — — — — 2 3 5 40.0% 1 1 2 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 57 67 124 46.0% 14 18 32 43.8% 35 34 69 50.7% 9 13 22 40.9%

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 Etsuko Inoue
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 1980 1488 97.8 — — — — — — — 0.0% -4.00 — — — -0.09
1979 1547 118.2 — — — — +97 — — 42.1% -0.89 1–2 (33%) 0–1 — +0.14 1981 1483 100.8 — — — — — — — 33.3% -1.33 0–1 — — -0.02
1980 1735 137.7 — — — — +8 -158 — 55.7% +0.51 3–2 (60%) 1–0 — -0.18 1982 1523 98.7 — — — — +58 — — 54.5% +0.09 1–0 0–1 — +0.31
1981 1869 146.1 — — — — +63 -192 -295 56.7% +0.48 8–10 (44%) 6–5 (55%) 101.1 -3.04 1983 1642 120.1 — — — — +5 -38 -81 52.9% +0.06 2–2 (50%) 2–0 — +1.48
1982 1792 141.6 — — — — +56 -194 -210 47.1% -0.08 4–5 (44%) 2–3 (40%) 96.7 -0.75 1984 1700 134.3 — — — — -9 -31 -114 50.6% +0.12 5–6 (45%) 3–5 (38%) 98.1 +0.10
1983 1721 143.7 — — — — +53 -86 — 41.3% -0.43 4–7 (36%) 0–5 (0%) 91.3 -3.81 1985 1633 117.6 — — — — -18 +12 -71 41.3% -0.66 5–7 (42%) 2–2 (50%) 96.4 +0.47
1984 1703 128.4 — — — — -13 — -69 47.7% -0.47 5–5 (50%) 4–3 (57%) 101.0 -0.69 1986 1636 124.5 — — — — -97 — +70 42.6% -0.57 3–5 (38%) 3–3 (50%) 100.2 -0.52
1985 1678 113.6 — — — — -29 -65 -67 43.1% -0.61 5–3 (63%) 1–3 (25%) 100.7 +2.10 1987 1765 138.1 — — — — -109 — +24 59.0% +0.54 4–9 (31%) 3–1 (75%) 97.8 +0.20
1986 1618 111.0 — — — — +10 — -24 38.5% -0.67 2–4 (33%) 0–3 (0%) 95.5 +1.60 1988 1703 132.8 — — — — -74 — +78 48.4% -0.06 4–8 (33%) 5–2 (71%) 97.7 -0.96
1987 1594 117.2 — — — — +33 — — 35.7% -0.78 3–3 (50%) 0–1 — +0.29 1989 1670 137.7 — — — — -24 — +87 47.4% -0.14 4–8 (33%) 2–2 (50%) 96.6 -0.43
1988 1542 116.2 — — — — +33 -43 — 30.8% -1.31 4–4 (50%) 0–2 — -0.55 1990 1661 128.5 — — — — +23 — +100 49.2% -0.24 4–3 (57%) 5–1 (83%) 104.2 -0.07
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 1803 134.7 — — — — -33 -20 +14 49.1% -0.11 32–49 (40%) 25–17 (60%) 99.0 +0.19

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.