H2H data updated: 2026-10-27 00:00 UTC

Barbara Potter vs Mary Lou Piatek H2H: 3-2

Barbara Potter holds a 3–2 lead over Mary Lou Piatek in their WTA head-to-head. Across 5 main-draw meetings, Barbara Potter leads 3–2 on carpet. Most recently, Barbara Potter won the 1986 Oakland round of 32 7-6 4-6 6-3.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Barbara Potter
USA Age 65 Left-Handed 175 cm / 5'9"
H2H
3 – 2
5 main-draw meetings
Mary Lou Piatek
USA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Barbara Potter #17 7-6 4-6 6-3 Mary Lou Piatek Match data Feb 27, 1986* R32 Oakland WTA 250 Carpet
Barbara Potter 6-3 6-2 Mary Lou Piatek Match data Sep 24, 1983* QF Richmond WTA 250 Carpet
Mary Lou Piatek 6-3 6-4 Barbara Potter Match data Jan 8, 1983* QF Washington Open WTA 500 Carpet
Mary Lou Piatek 6-4 6-2 Barbara Potter Match data Mar 12, 1981* R32 Dallas WTA 250 Carpet
Barbara Potter 6-4 6-7(4) 6-3 Mary Lou Piatek Match data Jan 19, 1980* SF 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
Barbara Potter — #8 63 2,098 303 191 61.3% 0 0 0 0 5 5
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.

Barbara Potter Mary Lou Piatek
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1978 4–7 36.4% — 1,532 0 0 1978 0–1 0.0% — 1,499 0 0
1979 8–22 26.7% — 1,620 0 0 1979 3–5 37.5% — 1,547 0 0
1980 27–22 55.1% — 1,875 0 0 1980 20–13 60.6% — 1,762 0 0
1981 47–23 67.1% #10 1,944 0 0 1981 30–22 57.7% — 1,874 0 1
1982 43–22 66.2% #8 1,998 0 2 1982 18–21 46.2% — 1,793 0 1
1983 28–20 58.3% — 1,851 0 2 1983 12–20 37.5% — 1,721 0 1
1984 35–17 67.3% #12 1,952 0 2 1984 18–20 47.4% — 1,704 0 2
1985 31–16 66.0% — 1,900 0 3 1985 14–18 43.8% — 1,678 0 2
1986 14–10 58.3% #26 1,881 0 3 1986 8–15 34.8% — 1,618 0 2
1987 25–13 65.8% #12 1,899 0 4 1987 6–12 33.3% — 1,594 0 2
1988 36–14 72.0% #10 1,919 0 5 1988 6–16 27.3% — 1,542 0 2
1989 5–5 50.0% #106 1,845 0 5 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.

Barbara Potter 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 %
1978 0 2 2 0.0% — — — — 2 2 4 50.0% 2 3 5 40.0% 1978 — — — — — — — — — — — — 0 1 1 0.0%
1979 4 8 12 33.3% 0 3 3 0.0% 1 3 4 25.0% 3 8 11 27.3% 1979 1 1 2 50.0% 0 1 1 0.0% — — — — 2 3 5 40.0%
1980 6 5 11 54.5% — — — — 2 3 5 40.0% 19 14 33 57.6% 1980 5 3 8 62.5% 3 1 4 75.0% 0 2 2 0.0% 12 7 19 63.2%
1981 8 3 11 72.7% — — — — 12 6 18 66.7% 27 14 41 65.9% 1981 15 5 20 75.0% 6 4 10 60.0% 4 6 10 40.0% 5 7 12 41.7%
1982 5 5 10 50.0% 1 1 2 50.0% 9 6 15 60.0% 28 10 38 73.7% 1982 4 5 9 44.4% 0 3 3 0.0% 1 2 3 33.3% 13 11 24 54.2%
1983 4 3 7 57.1% 2 2 4 50.0% 12 7 19 63.2% 10 8 18 55.6% 1983 5 6 11 45.5% 1 4 5 20.0% 0 2 2 0.0% 6 8 14 42.9%
1984 7 4 11 63.6% — — — — 11 4 15 73.3% 17 9 26 65.4% 1984 9 8 17 52.9% 0 1 1 0.0% 5 6 11 45.5% 4 5 9 44.4%
1985 12 4 16 75.0% 2 2 4 50.0% 8 3 11 72.7% 9 7 16 56.3% 1985 7 11 18 38.9% 2 1 3 66.7% 1 2 3 33.3% 4 4 8 50.0%
1986 7 3 10 70.0% — — — — 1 1 2 50.0% 6 6 12 50.0% 1986 5 5 10 50.0% 0 2 2 0.0% 1 2 3 33.3% 2 6 8 25.0%
1987 7 5 12 58.3% — — — — 1 1 2 50.0% 17 7 24 70.8% 1987 3 5 8 37.5% 0 2 2 0.0% 0 2 2 0.0% 3 3 6 50.0%
1988 25 9 34 73.5% — — — — 9 3 12 75.0% 2 2 4 50.0% 1988 4 9 13 30.8% 1 4 5 20.0% 0 1 1 0.0% 1 2 3 33.3%
1989 4 3 7 57.1% — — — — — — — — 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 89 54 143 62.2% 5 8 13 38.5% 68 39 107 63.6% 141 90 231 61.0% 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.

Barbara Potter 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
1978 1533 114.1 — — — — +58 — +55 35.7% -1.14 4–2 (67%) 1–1 — +1.26 1978 1499 106.9 — — — — — — — 0.0% -3.50 — — — -0.11
1979 1621 143.2 — — — — +30 -115 -41 30.3% -0.89 4–6 (40%) 1–8 (11%) 95.5 -1.66 1979 1547 118.3 — — — — +98 — — 42.1% -0.89 1–2 (33%) 0–1 — +0.12
1980 1876 153.1 — — — — +17 — -301 56.8% +0.53 4–11 (27%) 5–6 (45%) 94.6 +0.47 1980 1763 137.4 — — — — +9 -186 — 57.7% +0.61 4–3 (57%) 3–0 (100%) — +0.65
1981 1944 150.6 — — — — -2 — -145 63.1% +0.79 12–7 (63%) 9–10 (47%) 101.6 -1.65 1981 1875 146.3 — — — — +65 -198 -301 56.7% +0.48 8–10 (44%) 6–5 (55%) 100.9 -2.75
1982 1999 162.9 — — — — +57 — -127 63.3% +0.89 10–7 (59%) 12–14 (46%) 102.4 -2.52 1982 1794 142.2 — — — — +59 -196 -212 47.1% -0.08 4–5 (44%) 2–3 (40%) 96.6 -0.89
1983 1852 139.4 — — — — +53 -246 +13 58.6% +0.77 6–9 (40%) 8–8 (50%) 93.0 +1.63 1983 1722 143.9 — — — — +55 -87 — 41.3% -0.43 4–7 (36%) 0–5 (0%) 91.3 -4.11
1984 1953 157.7 — — — — -8 — -15 67.0% +1.24 3–7 (30%) 8–4 (67%) 94.3 -1.58 1984 1704 128.6 — — — — -14 — -70 47.7% -0.47 5–5 (50%) 4–3 (57%) 100.9 -0.88
1985 1900 142.6 — — — — -7 -288 +63 61.9% +0.74 8–7 (53%) 12–5 (71%) 102.4 +0.02 1985 1678 113.9 — — — — -28 -65 -67 43.1% -0.61 5–3 (63%) 1–3 (25%) 100.7 +1.98
1986 1882 145.3 — — — — +12 — — 56.1% +0.37 4–5 (44%) 5–4 (56%) 100.5 -2.28 1986 1619 111.1 — — — — +10 — -25 38.5% -0.67 2–4 (33%) 0–3 (0%) 95.5 +1.45
1987 1900 145.8 — — — — +27 — — 64.3% +0.85 6–4 (60%) 7–2 (78%) 103.0 +0.37 1987 1595 117.3 — — — — +33 — — 35.7% -0.78 3–3 (50%) 0–1 — +0.12
1988 1920 147.3 — — — — +7 — +50 71.4% +1.21 4–8 (33%) 12–3 (80%) 100.4 +2.17 1988 1543 116.2 — — — — +33 -44 — 30.8% -1.31 4–4 (50%) 0–2 — -0.58
1989 1846 116.8 — — — — -9 — — 52.2% -0.09 1–2 (33%) 1–2 (33%) 96.3 +0.55 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 2099 155.7 — — — — +18 -226 -45 60.0% +0.67 66–75 (47%) 81–67 (55%) 98.1 -0.65 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.