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

Stacy Margolin vs Kathleen Cummings H2H: 1-0

Stacy Margolin holds a 1–0 lead over Kathleen Cummings in their WTA head-to-head. Across 1 main-draw meeting, Stacy Margolin leads 1–0 on hard courts. Most recently, Stacy Margolin won the 1981 San Diego round of 32 6-4 6-2.

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Stacy Margolin
USA Age 67
H2H
1 – 0
1 main-draw meetings
Kathleen Cummings
USA Age 65

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Stacy Margolin 6-4 6-2 Kathleen Cummings Match data Jul 30, 1981* R32 San Diego WTA 500 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
Stacy Margolin — — — 1,854 73 99 42.4% 0 0 0 0 4 4
Kathleen Cummings — — — 1,681 38 50 43.2% 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.

Age Stacy Margolin Kathleen Cummings
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1976 2–1 66.7% — 1,523 0 1 — — — — — — —
18 1977 1–5 16.7% — 1,504 0 2 1980 9–3 75.0% — 1,595 0 0
19 1978 16–5 76.2% — 1,781 0 4 1981 4–10 28.6% — 1,597 0 0
20 1979 12–20 37.5% — 1,753 0 4 1982 11–8 57.9% — 1,622 0 0
21 1980 25–26 49.0% — 1,774 0 4 1983 2–3 40.0% — 1,643 0 0
22 1981 11–20 35.5% — 1,696 0 4 1984 8–13 38.1% — 1,589 0 0
23 1982 4–14 22.2% — 1,541 0 4 1985 4–12 25.0% — 1,504 0 0
24 1983 2–5 28.6% — 1,518 0 4 1986 0–1 0.0% — 1,491 0 0
25 1984 0–1 0.0% — 1,512 0 4 — — — — — — —
26 1985 0–2 0.0% — 1,479 0 4 — — — — — — —

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Stacy Margolin Kathleen Cummings
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 %
17 1976 1 0 1 100.0% — — — — — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — —
18 1977 0 2 2 0.0% 0 1 1 0.0% — — — — 1 2 3 33.3% 1980 7 2 9 77.8% — — — — — — — — — — — —
19 1978 9 3 12 75.0% — — — — 1 1 2 50.0% — — — — 1981 1 5 6 16.7% 1 2 3 33.3% 0 1 1 0.0% 2 2 4 50.0%
20 1979 1 7 8 12.5% 1 2 3 33.3% 1 2 3 33.3% 9 9 18 50.0% 1982 5 4 9 55.6% 1 1 2 50.0% — — — — — — — —
21 1980 14 7 21 66.7% 0 2 2 0.0% 2 3 5 40.0% 9 14 23 39.1% 1983 2 1 3 66.7% — — — — — — — — 0 2 2 0.0%
22 1981 6 6 12 50.0% 1 3 4 25.0% 0 2 2 0.0% 4 9 13 30.8% 1984 8 8 16 50.0% 0 1 1 0.0% 0 3 3 0.0% 0 1 1 0.0%
23 1982 0 5 5 0.0% 2 5 7 28.6% 1 3 4 25.0% 1 1 2 50.0% 1985 1 6 7 14.3% 1 2 3 33.3% 1 2 3 33.3% 1 2 3 33.3%
24 1983 1 2 3 33.3% — — — — 1 2 3 33.3% — — — — 1986 0 1 1 0.0% — — — — — — — — — — — —
25 1984 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
26 1985 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 32 34 66 48.5% 4 13 17 23.5% 6 13 19 31.6% 25 36 61 41.0% — 24 27 51 47.1% 3 6 9 33.3% 1 6 7 14.3% 3 7 10 30.0%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Stacy Margolin Kathleen Cummings
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
17 1976 1524 94.1 — — — — +93 — — 50.0% -1.00 — — — +0.93 — — — — — — — — — — — — — — — —
18 1977 1505 107.1 — — — — +54 — — 33.3% -1.00 0–2 0–3 (0%) — +0.64 1980 1595 117.3 — — — — +71 — — 70.4% +1.85 2–1 (67%) 0–1 — +2.20
19 1978 1781 145.4 — — — — -10 — — 68.8% +1.56 4–2 (67%) 0–2 — +0.02 1981 1597 116.9 — — — — +59 -41 — 30.0% -1.47 1–1 1–1 — -0.77
20 1979 1753 143.1 — — — — -3 -222 -184 42.5% -0.05 2–7 (22%) 1–4 (20%) 92.8 -0.85 1982 1623 115.1 — — — — +7 — — 61.9% +0.83 0–4 (0%) 1–3 (25%) 91.8 +1.26
21 1980 1775 142.4 — — — — -13 — -189 48.6% -0.01 4–5 (44%) 6–6 (50%) 101.2 -1.56 1983 1644 105.3 — — — — +9 — — 36.4% -2.00 1–0 2–0 — -0.20
22 1981 1696 121.6 — — — — +33 -201 — 40.3% -1.19 3–7 (30%) 3–1 (75%) 97.8 +0.05 1984 1589 99.2 — — — — +27 — -48 38.0% -1.16 5–3 (63%) 3–1 (75%) — +1.28
23 1982 1542 96.6 — — — — +49 -85 +26 27.9% -1.70 3–4 (43%) 1–2 (33%) 99.4 +0.55 1985 1504 99.5 — — — — +8 +26 +10 25.0% -2.09 — 0–1 — +1.87
24 1983 1519 103.3 — — — — +70 — +32 37.5% -0.81 0–2 0–1 — +0.45 1986 1491 98.0 — — — — — — — 0.0% -1.50 — 0–1 — +0.12
25 1984 1512 99.5 — — — — — — — 33.3% -2.67 0–1 — — -0.14 — — — — — — — — — — — — — — — —
26 1985 1480 92.2 — — — — — — — 0.0% -3.25 — — — +0.25 — — — — — — — — — — — — — — — —
Career — 1855 135.3 — — — — +9 -148 -86 44.5% -0.36 16–30 (35%) 11–19 (37%) 92.2 +0.20 — 1682 111.5 — — — — +31 -8 -19 43.8% -0.56 9–9 (50%) 7–8 (47%) 98.0 +6.55

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.