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

Marcella Mesker vs Mary Lou Piatek H2H: 1-1

Marcella Mesker and Mary Lou Piatek are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, Marcella Mesker leads 1–0 on clay, while Mary Lou Piatek leads 1–0 on hard courts. Most recently, Mary Lou Piatek won the 1984 Denver round of 16 6-2 6-4.

H2H
1 1
2 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mary Lou Piatek 6-2 6-4 Marcella Mesker #46 Match data Jan 20, 1984* R16 Denver WTA 250 Hard
Marcella Mesker 7-6 6-1 Mary Lou Piatek Match data May 27, 1982* R64 Roland Garros Grand Slam Clay

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
Marcella Mesker #394 #31 22 1,791 103 134 43.5% 0 0 0 0 1 1
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.

Marcella Mesker Mary Lou Piatek
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1979 6–10 37.5% 1,499 0 0 1978 0–1 0.0% 1,499 0 0
1980 6–13 31.6% 1,493 0 0 1979 3–5 37.5% 1,546 0 0
1981 7–9 43.8% 1,559 0 0 1980 16–12 57.1% 1,734 0 0
1982 14–14 50.0% 1,682 0 0 1981 30–22 57.7% 1,869 0 1
1983 16–19 45.7% 1,708 0 0 1982 18–21 46.2% 1,791 0 1
1984 21–22 48.8% #37 1,740 0 0 1983 12–20 37.5% 1,720 0 1
1985 11–20 35.5% #38 1,659 0 0 1984 18–20 47.4% 1,703 0 2
1986 16–11 59.3% #31 1,760 0 1 1985 14–18 43.8% 1,677 0 2
1987 5–12 29.4% #148 1,623 0 1 1986 8–15 34.8% 1,618 0 2
1988 1–4 20.0% #369 1,562 0 1 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% 1,559 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.

Marcella Mesker 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 %
1979 0 1 1 0.0% 5 7 12 41.7% 1978 0 1 1 0.0%
1980 1 3 4 25.0% 0 2 2 0.0% 4 5 9 44.4% 1 3 4 25.0% 1979 1 1 2 50.0% 0 1 1 0.0% 2 3 5 40.0%
1981 2 1 3 66.7% 4 2 6 66.7% 1 5 6 16.7% 0 1 1 0.0% 1980 5 3 8 62.5% 3 1 4 75.0% 0 2 2 0.0% 8 6 14 57.1%
1982 1 1 2 50.0% 6 4 10 60.0% 7 6 13 53.8% 0 3 3 0.0% 1981 15 5 20 75.0% 6 4 10 60.0% 4 6 10 40.0% 5 7 12 41.7%
1983 4 3 7 57.1% 6 6 12 50.0% 3 5 8 37.5% 3 5 8 37.5% 1982 4 5 9 44.4% 0 3 3 0.0% 1 2 3 33.3% 13 11 24 54.2%
1984 1 7 8 12.5% 7 5 12 58.3% 6 5 11 54.5% 7 5 12 58.3% 1983 5 6 11 45.5% 1 4 5 20.0% 0 2 2 0.0% 6 8 14 42.9%
1985 5 7 12 41.7% 0 3 3 0.0% 5 6 11 45.5% 1 4 5 20.0% 1984 9 8 17 52.9% 0 1 1 0.0% 5 6 11 45.5% 4 5 9 44.4%
1986 1 1 2 50.0% 3 3 6 50.0% 4 3 7 57.1% 8 4 12 66.7% 1985 7 11 18 38.9% 2 1 3 66.7% 1 2 3 33.3% 4 4 8 50.0%
1987 3 4 7 42.9% 1 6 7 14.3% 1 2 3 33.3% 1986 5 5 10 50.0% 0 2 2 0.0% 1 2 3 33.3% 2 6 8 25.0%
1988 0 1 1 0.0% 1 3 4 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 18 28 46 39.1% 28 35 63 44.4% 36 44 80 45.0% 20 25 45 44.4% 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.

Marcella Mesker 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
1979 1500 112.9 +53 35.5% -1.03 0–3 (0%) 2–0 +0.78 1978 1499 106.8 0.0% -3.50 -0.12
1980 1493 111.8 +46 +51 36.6% -1.05 0–3 (0%) 3–1 (75%) 97.5 +0.88 1979 1547 118.2 +97 42.1% -0.89 1–2 (33%) 0–1 +0.14
1981 1559 120.4 +54 +11 -28 50.0% +0.22 2–4 (33%) 2–1 (67%) 100.7 +1.20 1980 1735 137.7 +8 -158 55.7% +0.51 3–2 (60%) 1–0 -0.18
1982 1683 137.2 -141 -24 -8 51.6% +0.34 5–5 (50%) 2–7 (22%) 99.1 -1.02 1981 1869 146.1 +63 -192 -295 56.7% +0.48 8–10 (44%) 6–5 (55%) 101.1 -3.04
1983 1708 136.1 -78 -2 -51 48.1% -0.10 2–5 (29%) 4–3 (57%) 98.5 -2.87 1982 1792 141.6 +56 -194 -210 47.1% -0.08 4–5 (44%) 2–3 (40%) 96.7 -0.75
1984 1741 130.9 -105 +23 -30 46.7% -0.38 12–7 (63%) 9–5 (64%) 110.6 +0.43 1983 1721 143.7 +53 -86 41.3% -0.43 4–7 (36%) 0–5 (0%) 91.3 -3.81
1985 1660 121.1 -18 +5 +17 39.2% -0.95 5–7 (42%) 2–4 (33%) 97.7 -0.95 1984 1703 128.4 -13 -69 47.7% -0.47 5–5 (50%) 4–3 (57%) 101.0 -0.69
1986 1761 129.1 -42 -66 -55 58.7% +0.24 6–5 (55%) 4–1 (80%) 104.6 +0.73 1985 1678 113.6 -29 -65 -67 43.1% -0.61 5–3 (63%) 1–3 (25%) 100.7 +2.10
1987 1623 99.7 +66 -58 +49 33.3% -1.08 0–4 (0%) 2–3 (40%) 92.6 +0.52 1986 1618 111.0 +10 -24 38.5% -0.67 2–4 (33%) 0–3 (0%) 95.5 +1.60
1988 1563 97.9 -35 27.3% -1.27 0–1 2–1 (67%) +0.52 1987 1594 117.2 +33 35.7% -0.78 3–3 (50%) 0–1 +0.29
1988 1542 116.2 +33 -43 30.8% -1.31 4–4 (50%) 0–2 -0.55
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 1792 130.6 -42 -14 0 45.4% -0.37 32–44 (42%) 32–26 (55%) 102.2 +0.09 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.