H2H data updated: 2026-09-13 00:00 UTC

Ilana Kloss vs Stacy Margolin H2H: 0-3

Stacy Margolin holds a 3–0 lead over Ilana Kloss in their WTA head-to-head. Across 3 main-draw meetings, Stacy Margolin leads 2–0 on hard courts and 1–0 on carpet. Most recently, Stacy Margolin won the 1979 Minneapolis round of 32 6-4 6-2.

RSA Age 70 Left-Handed 164 cm / 5'5"
H2H
0 3
3 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Stacy Margolin 6-4 6-2 Ilana Kloss Match data Oct 4, 1979* R32 Minneapolis WTA 250 Carpet
Stacy Margolin 6-7 6-1 6-1 Ilana Kloss Match data Oct 5, 1978* R32 Phoenix WTA 250 Hard
Stacy Margolin 6-0 6-1 Ilana Kloss Match data Sep 16, 1978* QF San Antonio WTA 250 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
Ilana Kloss 1,890 135 144 48.4% 0 0 0 0 8 8
Stacy Margolin 1,854 73 99 42.4% 0 0 0 0 4 4

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 Ilana Kloss Stacy Margolin
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
14 1970 0–1 0.0% 1,491 0 0
15 1971 5–4 55.6% 1,561 0 1
16 1972 13–12 52.0% 1,592 0 3
17 1973 38–18 67.9% 1,872 0 8 1976 2–1 66.7% 1,523 0 1
18 1974 19–16 54.3% 1,801 0 8 1977 1–5 16.7% 1,504 0 2
19 1975 9–20 31.0% 1,688 0 8 1978 16–5 76.2% 1,781 0 4
20 1976 18–15 54.5% 1,784 0 8 1979 12–20 37.5% 1,753 0 4
21 1977 4–13 23.5% 1,667 0 8 1980 25–26 49.0% 1,774 0 4
22 1978 14–11 56.0% 1,740 0 8 1981 11–20 35.5% 1,696 0 4
23 1979 15–26 36.6% 1,698 0 8 1982 4–14 22.2% 1,541 0 4
24 1980 0–7 0.0% 1,618 0 8 1983 2–5 28.6% 1,518 0 4
25 1984 0–1 0.0% 1,512 0 4
26 1982 0–1 0.0% 1,599 0 8 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 Ilana Kloss Stacy Margolin
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 %
14 1970 0 1 1 0.0%
15 1971 5 4 9 55.6%
16 1972 8 7 15 53.3% 0 1 1 0.0% 3 4 7 42.9%
17 1973 15 6 21 71.4% 14 7 21 66.7% 9 5 14 64.3% 1976 1 0 1 100.0% 1 1 2 50.0%
18 1974 8 5 13 61.5% 3 4 7 42.9% 2 3 5 40.0% 2 2 4 50.0% 1977 0 2 2 0.0% 0 1 1 0.0% 1 2 3 33.3%
19 1975 1 9 10 10.0% 1 2 3 33.3% 1 2 3 33.3% 2 6 8 25.0% 1978 9 3 12 75.0% 1 1 2 50.0%
20 1976 3 2 5 60.0% 9 8 17 52.9% 5 4 9 55.6% 1 1 2 50.0% 1979 1 7 8 12.5% 1 2 3 33.3% 1 2 3 33.3% 9 9 18 50.0%
21 1977 1 1 2 50.0% 1 6 7 14.3% 2 2 4 50.0% 0 4 4 0.0% 1980 14 7 21 66.7% 0 2 2 0.0% 2 3 5 40.0% 9 14 23 39.1%
22 1978 4 4 8 50.0% 9 4 13 69.2% 1 3 4 25.0% 1981 6 6 12 50.0% 1 3 4 25.0% 0 2 2 0.0% 4 9 13 30.8%
23 1979 2 7 9 22.2% 1 4 5 20.0% 4 5 9 44.4% 8 10 18 44.4% 1982 0 5 5 0.0% 2 5 7 28.6% 1 3 4 25.0% 1 1 2 50.0%
24 1980 0 1 1 0.0% 0 2 2 0.0% 0 2 2 0.0% 0 2 2 0.0% 1983 1 2 3 33.3% 1 2 3 33.3%
25 1984 0 1 1 0.0%
26 1982 0 1 1 0.0% 1985 0 1 1 0.0%
Career 47 47 94 50.0% 29 34 63 46.0% 35 32 67 52.2% 14 28 42 33.3% 32 34 66 48.5% 4 13 17 23.5% 6 13 19 31.6% 25 36 61 41.0%

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 Ilana Kloss Stacy Margolin
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
14 1970 1491 97.3 0.0% -4.50 +0.01
15 1971 1562 111.3 +63 57.9% +0.26 0–1 0–1 +1.35
16 1972 1593 123.4 +46 -33 54.5% +0.64 1–4 (20%) 0–2 +3.97
17 1973 1872 144.6 -17 -132 -190 66.4% +1.36 7–9 (44%) 2–1 (67%) 101.0 +4.89 1976 1524 94.1 +93 50.0% -1.00 +0.93
18 1974 1802 136.3 +25 -83 -116 52.2% +0.16 1–4 (20%) 2–1 (67%) 97.5 -2.52 1977 1505 107.1 +54 33.3% -1.00 0–2 0–3 (0%) +0.64
19 1975 1688 127.3 -12 -4 -4 36.4% -0.99 2–8 (20%) 3–5 (38%) 91.8 -1.41 1978 1781 145.4 -10 68.8% +1.56 4–2 (67%) 0–2 +0.02
20 1976 1784 138.9 -88 -29 -55 50.6% +0.13 8–3 (73%) 3–2 (60%) 108.4 -3.02 1979 1753 143.1 -3 -222 -184 42.5% -0.05 2–7 (22%) 1–4 (20%) 92.8 -0.85
21 1977 1668 111.1 -42 +4 +35 28.2% -1.69 2–3 (40%) 2–1 (67%) 99.1 -0.17 1980 1775 142.4 -13 -189 48.6% -0.01 4–5 (44%) 6–6 (50%) 101.2 -1.56
22 1978 1740 124.2 -82 +35 55.9% +0.24 4–5 (44%) 5–6 (45%) 100.3 +1.24 1981 1696 121.6 +33 -201 40.3% -1.19 3–7 (30%) 3–1 (75%) 97.8 +0.05
23 1979 1698 126.9 -30 -52 +32 36.8% -1.15 10–5 (67%) 7–2 (78%) 110.6 -0.20 1982 1542 96.6 +49 -85 +26 27.9% -1.70 3–4 (43%) 1–2 (33%) 99.4 +0.55
24 1980 1619 104.5 -41 6.7% -3.20 0–1 0–2 -0.75 1983 1519 103.3 +70 +32 37.5% -0.81 0–2 0–1 +0.45
25 1984 1512 99.5 33.3% -2.67 0–1 -0.14
26 1982 1599 97.0 33.3% -2.67 0–1 +0.16 1985 1480 92.2 0.0% -3.25 +0.25
Career 1890 136.4 -12 -68 -48 48.8% -0.09 35–44 (44%) 24–23 (51%) 101.1 +1.28 1855 135.3 +9 -148 -86 44.5% -0.36 16–30 (35%) 11–19 (37%) 92.2 +0.20

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.