H2H data updated: 2026-11-02 00:00 UTC

Mariana Simionescu vs Ruta Gerulaitis H2H: 0-1

Ruta Gerulaitis holds a 1–0 lead over Mariana Simionescu in their WTA head-to-head. Across 1 main-draw meeting, Ruta Gerulaitis leads 1–0 on clay. Most recently, Ruta Gerulaitis won the 1976 US Open round of 64 6-3 2-6 6-1.

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Mariana Simionescu
ROU Age 69
H2H
0 – 1
1 main-draw meetings
Ruta Gerulaitis
USA Age 70

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ruta Gerulaitis 6-3 2-6 6-1 Mariana Simionescu Match data Sep 4, 1976* R64 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 — — — 1,725 68 73 48.2% 0 0 0 0 2 2
Ruta Gerulaitis — — — 1,688 40 62 39.2% 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 Mariana Simionescu Ruta Gerulaitis
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1973 5–8 38.5% — 1,515 0 0 — — — — — — —
17 1974 13–12 52.0% — 1,591 0 0 — — — — — — —
18 1975 10–14 41.7% — 1,614 0 0 1974 1–1 50.0% — 1,507 0 0
19 1976 15–13 53.6% — 1,691 0 1 1975 5–3 62.5% — 1,554 0 0
20 1977 7–8 46.7% — 1,703 0 1 1976 9–9 50.0% — 1,642 0 0
21 1978 9–11 45.0% — 1,677 0 1 1977 4–8 33.3% — 1,603 0 0
22 1979 0–3 0.0% — 1,621 0 1 1978 13–22 37.1% — 1,607 0 0
23 1980 9–4 69.2% — 1,703 0 2 1979 6–11 35.3% — 1,635 0 0
24 — — — — — — — 1980 2–7 22.2% — 1,570 0 0
25 — — — — — — — 1981 0–1 0.0% — 1,553 0 0

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 Ruta Gerulaitis
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 %
16 1973 — — — — 1 3 4 25.0% 0 2 2 0.0% 4 3 7 57.1% — — — — — — — — — — — — — — — — —
17 1974 0 1 1 0.0% 11 6 17 64.7% 2 4 6 33.3% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
18 1975 0 1 1 0.0% 8 7 15 53.3% 0 1 1 0.0% 0 2 2 0.0% 1974 — — — — — — — — 1 1 2 50.0% — — — —
19 1976 1 1 2 50.0% 9 7 16 56.3% 4 1 5 80.0% 1 4 5 20.0% 1975 — — — — 2 1 3 66.7% — — — — — — — —
20 1977 — — — — 1 3 4 25.0% 3 1 4 75.0% 3 3 6 50.0% 1976 — — — — 9 7 16 56.3% — — — — 0 2 2 0.0%
21 1978 1 3 4 25.0% 4 3 7 57.1% 0 1 1 0.0% 1 2 3 33.3% 1977 0 1 1 0.0% 1 2 3 33.3% 0 1 1 0.0% 1 3 4 25.0%
22 1979 0 1 1 0.0% 0 1 1 0.0% 0 1 1 0.0% — — — — 1978 6 9 15 40.0% 2 4 6 33.3% 3 2 5 60.0% 2 7 9 22.2%
23 1980 5 1 6 83.3% 4 3 7 57.1% — — — — — — — — 1979 0 3 3 0.0% 3 3 6 50.0% 2 1 3 66.7% 1 4 5 20.0%
24 — — — — — — — — — — — — — — — — — 1980 0 1 1 0.0% 0 1 1 0.0% 0 2 2 0.0% 2 3 5 40.0%
25 — — — — — — — — — — — — — — — — — 1981 0 1 1 0.0% — — — — — — — — — — — —
Career — 7 8 15 46.7% 38 33 71 53.5% 9 11 20 45.0% 9 15 24 37.5% — 6 15 21 28.6% 17 18 35 48.6% 6 7 13 46.2% 6 19 25 24.0%

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 Ruta Gerulaitis
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
16 1973 1516 96.6 — — — — +72 -34 — 41.9% -0.71 2–3 (40%) 1–1 — +1.60 — — — — — — — — — — — — — — — —
17 1974 1591 117.5 — — — — — +8 -55 49.1% -0.27 4–3 (57%) 1–1 — +0.78 — — — — — — — — — — — — — — — —
18 1975 1614 121.8 — — — — -39 +35 — 43.6% -0.09 3–4 (43%) 1–5 (17%) 93.9 +0.46 1974 1508 105.2 — — — — — — — 50.0% +0.75 — 0–1 — +0.22
19 1976 1691 134.0 — — — — -127 -4 -76 56.1% +0.48 3–7 (30%) 2–2 (50%) 95.9 +1.01 1975 1554 114.5 — — — — — +5 — 56.3% +0.13 1–1 3–0 (100%) — +0.98
20 1977 1704 124.8 — — — — -116 -11 -56 50.0% -0.03 1–1 — — +1.49 1976 1642 128.8 — — — — — +43 — 47.7% +0.16 5–3 (63%) 2–0 — -0.56
21 1978 1677 123.0 — — — — -80 +33 — 43.5% -0.22 4–4 (50%) 0–4 (0%) 96.9 +0.34 1977 1604 112.5 — — — — -86 +71 — 37.5% -0.75 4–4 (50%) 1–0 — +0.75
22 1979 1622 95.0 — — — — — — — 0.0% -3.17 — — — +0.60 1978 1608 126.3 — — — — -63 +28 +22 39.7% -0.50 3–7 (30%) 0–6 (0%) 93.1 +1.73
23 1980 1703 116.1 — — — — -72 +10 — 64.5% +0.64 3–2 (60%) 3–1 (75%) 104.0 +0.89 1979 1635 132.9 — — — — -130 +74 +22 35.1% -0.65 2–3 (40%) 0–3 (0%) 96.7 -0.31
24 — — — — — — — — — — — — — — — — 1980 1570 109.2 — — — — -122 — — 25.0% -1.35 1–1 0–1 — +1.07
25 — — — — — — — — — — — — — — — — 1981 1553 97.2 — — — — — — — 0.0% -2.00 — — — +0.20
Career — 1725 126.1 — — — — -61 +10 -62 48.8% -0.06 20–24 (45%) 8–14 (36%) 94.6 +5.16 — 1688 129.6 — — — — -86 +45 +22 39.9% -0.45 16–19 (46%) 6–11 (35%) 97.0 +4.00

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.