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

Mariana Simionescu vs Sue Stap H2H: 1-0

Mariana Simionescu holds a 1–0 lead over Sue Stap in their WTA head-to-head. Across 1 main-draw meeting, Mariana Simionescu leads 1–0 on clay. Most recently, Mariana Simionescu won the 1976 US Open round of 128 6-3 7-6.

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Mariana Simionescu
ROU Age 69
H2H
1 – 0
1 main-draw meetings
Sue Stap
USA Age 72

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mariana Simionescu 6-3 7-6 Sue Stap Match data Sep 3, 1976* R128 US Open 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
Mariana Simionescu — — — 1,743 68 72 48.6% 0 0 0 0 2 2
Sue Stap — — — 1,724 42 78 35.0% 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.

Age Mariana Simionescu Sue Stap
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 — — — — — — — 1969 0–1 0.0% — 1,496 0 0
16 1973 5–8 38.5% — 1,515 0 0 1970 5–6 45.5% — 1,521 0 0
17 1974 13–12 52.0% — 1,591 0 0 1971 2–5 28.6% — 1,502 0 0
18 1975 10–14 41.7% — 1,614 0 0 1972 7–5 58.3% — 1,584 0 0
19 1976 15–13 53.6% — 1,691 0 1 1973 12–17 41.4% — 1,592 0 0
20 1977 7–8 46.7% — 1,703 0 1 1974 8–14 36.4% — 1,614 0 1
21 1978 9–10 47.4% — 1,689 0 1 1975 8–13 38.1% — 1,681 0 1
22 1979 0–3 0.0% — 1,632 0 1 1976 0–12 0.0% — 1,534 0 1
23 1980 9–4 69.2% — 1,709 0 2 1977 0–2 0.0% — 1,522 0 1
24 — — — — — — — 1978 0–2 0.0% — 1,488 0 1
25 — — — — — — — 1979 0–1 0.0% — 1,483 0 1

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 Mariana Simionescu Sue Stap
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 %
15 — — — — — — — — — — — — — — — — — 1969 — — — — — — — — 0 1 1 0.0% — — — —
16 1973 — — — — 1 3 4 25.0% 0 2 2 0.0% 4 3 7 57.1% 1970 0 1 1 0.0% 3 2 5 60.0% 2 2 4 50.0% 0 1 1 0.0%
17 1974 0 1 1 0.0% 11 6 17 64.7% 2 4 6 33.3% 0 1 1 0.0% 1971 — — — — 2 3 5 40.0% 0 2 2 0.0% — — — —
18 1975 0 1 1 0.0% 8 7 15 53.3% 0 1 1 0.0% 0 2 2 0.0% 1972 — — — — 2 1 3 66.7% 5 4 9 55.6% — — — —
19 1976 1 1 2 50.0% 9 7 16 56.3% 4 1 5 80.0% 1 4 5 20.0% 1973 1 3 4 25.0% 5 8 13 38.5% 5 5 10 50.0% 1 1 2 50.0%
20 1977 — — — — 1 3 4 25.0% 3 1 4 75.0% 3 3 6 50.0% 1974 0 2 2 0.0% 1 4 5 20.0% 0 2 2 0.0% 1 6 7 14.3%
21 1978 1 2 3 33.3% 4 3 7 57.1% 0 1 1 0.0% 1 2 3 33.3% 1975 4 4 8 50.0% 0 2 2 0.0% — — — — 4 7 11 36.4%
22 1979 0 1 1 0.0% 0 1 1 0.0% 0 1 1 0.0% — — — — 1976 0 3 3 0.0% 0 2 2 0.0% — — — — 0 7 7 0.0%
23 1980 5 1 6 83.3% 4 3 7 57.1% — — — — — — — — 1977 0 1 1 0.0% — — — — — — — — 0 1 1 0.0%
24 — — — — — — — — — — — — — — — — — 1978 — — — — 0 1 1 0.0% — — — — — — — —
25 — — — — — — — — — — — — — — — — — 1979 — — — — — — — — — — — — 0 1 1 0.0%
Career — 7 7 14 50.0% 38 33 71 53.5% 9 11 20 45.0% 9 15 24 37.5% — 5 14 19 26.3% 13 23 36 36.1% 12 16 28 42.9% 6 24 30 20.0%

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 Mariana Simionescu Sue Stap
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
15 — — — — — — — — — — — — — — — — 1969 1497 93.8 — — — — — — — 0.0% -6.00 — — — -0.28
16 1973 1516 96.6 — — — — +72 -34 — 41.9% -0.71 2–3 (40%) 1–1 — +1.45 1970 1521 114.8 — — — — — +30 +36 48.0% +0.08 1–2 (33%) — — +1.03
17 1974 1591 117.5 — — — — — +8 -55 49.1% -0.27 4–3 (57%) 1–1 — +1.23 1971 1502 97.8 — — — — — +46 — 31.3% -1.38 1–1 0–1 — +0.54
18 1975 1614 121.8 — — — — -38 +35 — 43.6% -0.09 3–4 (43%) 1–5 (17%) 93.9 +0.75 1972 1585 122.3 — — — — — +1 -14 59.3% +0.74 1–2 (33%) — — +0.45
19 1976 1691 133.9 — — — — -127 -3 -77 56.1% +0.48 3–7 (30%) 2–2 (50%) 95.9 +1.06 1973 1592 120.8 — — — — -54 -31 +13 42.9% -0.76 2–3 (40%) 0–1 — -0.24
20 1977 1703 124.7 — — — — -115 -9 -57 50.0% -0.03 1–1 — — +1.60 1974 1615 138.5 — — — — -155 -59 — 42.6% -0.23 1–4 (20%) — — -2.73
21 1978 1689 124.2 — — — — -72 +21 — 44.2% -0.19 4–3 (57%) 0–3 (0%) 99.0 +0.10 1975 1682 139.3 — — — — -38 — — 40.4% -0.60 2–3 (40%) 1–1 — -0.70
22 1979 1633 95.0 — — — — — — — 0.0% -3.17 — — — +0.57 1976 1534 102.5 — — — — -85 — — 15.4% -1.89 0–4 (0%) 0–3 (0%) 92.6 +0.75
23 1980 1709 116.1 — — — — -66 +3 — 64.5% +0.64 3–2 (60%) 3–1 (75%) 103.9 +0.91 1977 1522 110.5 — — — — — — — 0.0% -2.75 — — — -0.02
24 — — — — — — — — — — — — — — — — 1978 1488 97.3 — — — — — — — 20.0% -1.20 0–1 — — +0.27
25 — — — — — — — — — — — — — — — — 1979 1483 100.4 — — — — — — — 0.0% -3.00 — — — -0.05
Career — 1744 126.3 — — — — -58 +9 -63 48.9% -0.06 20–23 (47%) 8–13 (38%) 95.8 +5.56 — 1724 129.7 — — — — -75 -10 +6 39.4% -0.65 8–20 (29%) 1–6 (14%) 89.5 -0.82

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.