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

Kristien Shaw vs Mariana Simionescu H2H: 1-1

Kristien Shaw and Mariana Simionescu are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, they are tied 1–1 on clay. Most recently, Mariana Simionescu won the 1975 South Orange semifinal 6-2 6-7 7-6.

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Kristien Shaw
USA Age 74
H2H
1 – 1
2 main-draw meetings
Mariana Simionescu
ROU Age 69

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mariana Simionescu 6-2 6-7 7-6 Kristien Shaw Match data Aug 23, 1975* SF South Orange WTA 250 Clay
Kristien Shaw 6-3 6-2 Mariana Simionescu Match data Jun 6, 1973* R64 Italian Open WTA 250 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
Kristien Shaw — — — 1,924 119 141 45.8% 0 0 0 0 1 1
Mariana Simionescu — — — 1,743 68 72 48.6% 0 0 0 0 2 2

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 Kristien Shaw Mariana Simionescu
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 1968 0–2 0.0% — 1,484 0 0 — — — — — — —
16 1969 5–8 38.5% — 1,514 0 0 1973 5–8 38.5% — 1,515 0 0
17 1970 12–10 54.5% — 1,592 0 1 1974 13–12 52.0% — 1,591 0 0
18 1971 23–25 47.9% — 1,715 0 1 1975 10–14 41.7% — 1,614 0 0
19 1972 2–13 13.3% — 1,623 0 1 1976 15–13 53.6% — 1,691 0 1
20 1973 29–24 54.7% — 1,906 0 1 1977 7–8 46.7% — 1,703 0 1
21 1974 10–14 41.7% — 1,811 0 1 1978 9–10 47.4% — 1,689 0 1
22 1975 14–14 50.0% — 1,792 0 1 1979 0–3 0.0% — 1,632 0 1
23 1976 6–4 60.0% — 1,846 0 1 1980 9–4 69.2% — 1,709 0 2
24 1977 17–20 45.9% — 1,834 0 1 — — — — — — —
25 1978 1–7 12.5% — 1,751 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 Kristien Shaw Mariana Simionescu
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 1968 0 1 1 0.0% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
16 1969 3 4 7 42.9% 2 1 3 66.7% 0 3 3 0.0% — — — — 1973 — — — — 1 3 4 25.0% 0 2 2 0.0% 4 3 7 57.1%
17 1970 8 4 12 66.7% 1 2 3 33.3% 3 4 7 42.9% — — — — 1974 0 1 1 0.0% 11 6 17 64.7% 2 4 6 33.3% 0 1 1 0.0%
18 1971 2 4 6 33.3% 0 6 6 0.0% 21 15 36 58.3% — — — — 1975 0 1 1 0.0% 8 7 15 53.3% 0 1 1 0.0% 0 2 2 0.0%
19 1972 1 3 4 25.0% 0 2 2 0.0% 1 5 6 16.7% 0 3 3 0.0% 1976 1 1 2 50.0% 9 7 16 56.3% 4 1 5 80.0% 1 4 5 20.0%
20 1973 6 6 12 50.0% 8 8 16 50.0% 12 5 17 70.6% 3 5 8 37.5% 1977 — — — — 1 3 4 25.0% 3 1 4 75.0% 3 3 6 50.0%
21 1974 2 4 6 33.3% 0 1 1 0.0% 3 2 5 60.0% 5 7 12 41.7% 1978 1 2 3 33.3% 4 3 7 57.1% 0 1 1 0.0% 1 2 3 33.3%
22 1975 5 6 11 45.5% 6 3 9 66.7% — — — — 3 4 7 42.9% 1979 0 1 1 0.0% 0 1 1 0.0% 0 1 1 0.0% — — — —
23 1976 2 1 3 66.7% 1 2 3 33.3% — — — — 3 1 4 75.0% 1980 5 1 6 83.3% 4 3 7 57.1% — — — — — — — —
24 1977 2 5 7 28.6% 0 1 1 0.0% 3 2 5 60.0% 12 12 24 50.0% — — — — — — — — — — — — — — — — —
25 1978 0 4 4 0.0% — — — — — — — — 1 3 4 25.0% — — — — — — — — — — — — — — — — —
Career — 31 42 73 42.5% 18 26 44 40.9% 43 37 80 53.8% 27 35 62 43.5% — 7 7 14 50.0% 38 33 71 53.5% 9 11 20 45.0% 9 15 24 37.5%

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 Kristien Shaw Mariana Simionescu
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 1968 1485 99.9 — — — — — — — 20.0% -1.60 0–1 — — -0.41 — — — — — — — — — — — — — — — —
16 1969 1515 113.4 — — — — +28 +25 -27 42.3% -0.39 1–1 — — -0.23 1973 1516 96.6 — — — — +72 -34 — 41.9% -0.71 2–3 (40%) 1–1 — +1.45
17 1970 1593 114.0 — — — — +56 — -61 55.3% +0.49 3–2 (60%) — — +2.96 1974 1591 117.5 — — — — — +8 -55 49.1% -0.27 4–3 (57%) 1–1 — +1.23
18 1971 1716 133.5 — — — — -75 -249 +83 48.6% -0.28 6–5 (55%) 3–2 (60%) 102.1 -3.43 1975 1614 121.8 — — — — -38 +35 — 43.6% -0.09 3–4 (43%) 1–5 (17%) 93.9 +0.75
19 1972 1624 116.8 — — — — -39 — +85 25.0% -2.00 1–5 (17%) 1–1 — -2.01 1976 1691 133.9 — — — — -127 -3 -77 56.1% +0.48 3–7 (30%) 2–2 (50%) 95.9 +1.06
20 1973 1906 155.3 — — — — -158 -300 -12 51.7% +0.41 8–4 (67%) 6–10 (38%) 106.7 -8.65 1977 1703 124.7 — — — — -115 -9 -57 50.0% -0.03 1–1 — — +1.60
21 1974 1812 131.9 — — — — -145 — +87 35.4% -1.00 3–3 (50%) 1–2 (33%) — -2.83 1978 1689 124.2 — — — — -72 +21 — 44.2% -0.19 4–3 (57%) 0–3 (0%) 99.0 +0.10
22 1975 1792 131.3 — — — — -35 -117 — 49.2% +0.13 3–4 (43%) 2–5 (29%) 97.4 +0.63 1979 1633 95.0 — — — — — — — 0.0% -3.17 — — — +0.57
23 1976 1846 129.0 — — — — -16 -194 — 63.6% +0.77 0–2 0–2 — -1.43 1980 1709 116.1 — — — — -66 +3 — 64.5% +0.64 3–2 (60%) 3–1 (75%) 103.9 +0.91
24 1977 1834 142.3 — — — — -45 — +56 43.5% -0.34 8–5 (62%) 3–5 (38%) 101.2 -3.83 — — — — — — — — — — — — — — — —
25 1978 1752 112.7 — — — — -71 — — 22.2% -1.61 0–2 1–2 (33%) — -0.72 — — — — — — — — — — — — — — — —
Career — 1924 142.0 — — — — -62 -212 +44 45.7% -0.23 33–34 (49%) 17–29 (37%) 98.1 -7.85 — 1744 126.3 — — — — -58 +9 -63 48.9% -0.06 20–23 (47%) 8–13 (38%) 95.8 +5.56

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.