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

Mary Lou Piatek vs Grace Kim H2H: 1-1

Mary Lou Piatek and Grace Kim are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, they are tied 1–1 on hard courts. Most recently, Mary Lou Piatek won the 1987 Oklahoma round of 32 6-3 3-6 7-5.

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

Mary Lou Piatek
USA
H2H
1 – 1
2 main-draw meetings
Grace Kim
USA Age 58

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mary Lou Piatek 6-3 3-6 7-5 Grace Kim Match data Feb 12, 1987* R32 Oklahoma WTA 250 Hard
Grace Kim 7-6(5) 7-6(5) Mary Lou Piatek Match data Aug 30, 1985* R64 US Open Grand Slam 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 — — — 1,938 157 207 43.1% 0 0 0 0 2 2
Grace Kim — — — 1,705 47 82 36.4% 0 0 0 0 1 1

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 Grace Kim
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1978 0–1 0.0% — 1,499 0 0 1982 7–3 70.0% — 1,586 0 1
1979 3–5 37.5% — 1,547 0 0 1983 2–4 33.3% — 1,592 0 1
1980 20–13 60.6% — 1,762 0 0 1984 6–10 37.5% — 1,622 0 1
1981 30–22 57.7% — 1,874 0 1 1985 17–25 40.5% — 1,694 0 1
1982 18–21 46.2% — 1,793 0 1 1986 10–22 31.2% — 1,605 0 1
1983 12–20 37.5% — 1,721 0 1 1987 5–13 27.8% — 1,515 0 1
1984 18–20 47.4% — 1,704 0 2 1988 0–5 0.0% — 1,469 0 1
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.

Mary Lou Piatek Grace Kim
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% 1982 6 1 7 85.7% 0 1 1 0.0% — — — — — — — —
1979 1 1 2 50.0% 0 1 1 0.0% — — — — 2 3 5 40.0% 1983 2 3 5 40.0% — — — — — — — — 0 1 1 0.0%
1980 5 3 8 62.5% 3 1 4 75.0% 0 2 2 0.0% 12 7 19 63.2% 1984 4 4 8 50.0% 0 2 2 0.0% 2 2 4 50.0% 0 2 2 0.0%
1981 15 5 20 75.0% 6 4 10 60.0% 4 6 10 40.0% 5 7 12 41.7% 1985 11 12 23 47.8% 3 7 10 30.0% 0 4 4 0.0% 3 2 5 60.0%
1982 4 5 9 44.4% 0 3 3 0.0% 1 2 3 33.3% 13 11 24 54.2% 1986 4 6 10 40.0% 1 3 4 25.0% 0 2 2 0.0% 5 11 16 31.3%
1983 5 6 11 45.5% 1 4 5 20.0% 0 2 2 0.0% 6 8 14 42.9% 1987 1 7 8 12.5% 0 2 2 0.0% 1 2 3 33.3% 3 2 5 60.0%
1984 9 8 17 52.9% 0 1 1 0.0% 5 6 11 45.5% 4 5 9 44.4% 1988 0 2 2 0.0% 0 3 3 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 75 85 160 46.9% 17 32 49 34.7% 12 29 41 29.3% 53 61 114 46.5% Career 28 35 63 44.4% 4 18 22 18.2% 3 10 13 23.1% 11 18 29 37.9%

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 Grace Kim
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 106.9 — — — — — — — 0.0% -3.50 — — — -0.11 1982 1586 114.0 — — — — +73 — — 66.7% +1.10 3–0 (100%) 1–2 (33%) 103.8 +1.40
1979 1547 118.3 — — — — +98 — — 42.1% -0.89 1–2 (33%) 0–1 — +0.12 1983 1592 116.1 — — — — +64 — — 30.8% -1.00 1–0 — — -0.06
1980 1763 137.4 — — — — +9 -186 — 57.7% +0.61 4–3 (57%) 3–0 (100%) — +0.65 1984 1622 113.9 — — — — +26 — +20 36.6% -1.49 6–3 (67%) 1–2 (33%) 103.7 -0.34
1981 1875 146.3 — — — — +65 -198 -301 56.7% +0.48 8–10 (44%) 6–5 (55%) 100.9 -2.75 1985 1695 125.4 — — — — +51 -205 -136 43.4% -0.79 6–9 (40%) 6–2 (75%) 101.5 -0.71
1982 1794 142.2 — — — — +59 -196 -212 47.1% -0.08 4–5 (44%) 2–3 (40%) 96.6 -0.89 1986 1606 117.9 — — — — +47 -127 — 33.3% -1.54 2–3 (40%) 2–2 (50%) 98.9 +0.14
1983 1722 143.9 — — — — +55 -87 — 41.3% -0.43 4–7 (36%) 0–5 (0%) 91.3 -4.11 1987 1515 97.7 — — — — +46 — -16 32.6% -1.47 3–4 (43%) 1–1 — +2.11
1984 1704 128.6 — — — — -14 — -70 47.7% -0.47 5–5 (50%) 4–3 (57%) 100.9 -0.88 1988 1469 96.4 — — — — — -61 — 0.0% -3.90 — 0–1 — -0.26
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 1938 136.6 — — — — +26 -129 -156 44.3% -0.42 47–56 (46%) 21–34 (38%) 92.7 -2.59 Career 1706 119.2 — — — — +49 -161 -47 38.2% -1.14 21–19 (53%) 11–10 (52%) 103.5 +1.78

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.