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

Jill Cooper vs Mariana Simionescu H2H: 1-0

Jill Cooper holds a 1–0 lead over Mariana Simionescu in their WTA head-to-head. Across 1 main-draw meeting, Jill Cooper leads 1–0 on carpet. Most recently, Jill Cooper won the 1973 Port Talbot quarterfinal 6-2 6-3.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Jill Cooper
GBR Age 77
H2H
1 – 0
1 main-draw meetings
Mariana Simionescu
ROU Age 69

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Jill Cooper 6-2 6-3 Mariana Simionescu Match data Oct 27, 1973* QF Port Talbot WTA 250 Carpet

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
Jill Cooper — — — 1,842 106 86 55.2% 0 0 0 0 5 5
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 Jill Cooper Mariana Simionescu
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
19 1968 8–11 42.1% — 1,502 0 0 1976 15–13 53.6% — 1,691 0 1
20 1969 15–16 48.4% — 1,563 0 0 1977 7–8 46.7% — 1,703 0 1
21 1970 18–16 52.9% — 1,636 0 1 1978 9–10 47.4% — 1,689 0 1
22 1971 36–19 65.5% — 1,755 0 3 1979 0–3 0.0% — 1,632 0 1
23 1972 21–18 53.8% — 1,782 0 4 1980 9–4 69.2% — 1,709 0 2
24 1973 8–6 57.1% — 1,810 0 5 — — — — — — —

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 Jill Cooper 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 %
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%
19 1968 — — — — 3 5 8 37.5% 2 4 6 33.3% 3 2 5 60.0% 1976 1 1 2 50.0% 9 7 16 56.3% 4 1 5 80.0% 1 4 5 20.0%
20 1969 — — — — 8 7 15 53.3% 6 7 13 46.2% 1 2 3 33.3% 1977 — — — — 1 3 4 25.0% 3 1 4 75.0% 3 3 6 50.0%
21 1970 — — — — 17 13 30 56.7% 1 3 4 25.0% — — — — 1978 1 2 3 33.3% 4 3 7 57.1% 0 1 1 0.0% 1 2 3 33.3%
22 1971 — — — — 27 11 38 71.1% 9 6 15 60.0% 0 2 2 0.0% 1979 0 1 1 0.0% 0 1 1 0.0% 0 1 1 0.0% — — — —
23 1972 2 4 6 33.3% 9 9 18 50.0% 10 4 14 71.4% 0 1 1 0.0% 1980 5 1 6 83.3% 4 3 7 57.1% — — — — — — — —
24 1973 — — — — — — — — 2 3 5 40.0% 6 3 9 66.7% — — — — — — — — — — — — — — — — —
Career — 2 4 6 33.3% 64 45 109 58.7% 30 27 57 52.6% 10 10 20 50.0% — 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 Jill Cooper 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
16 — — — — — — — — — — — — — — — — 1973 1516 96.6 — — — — +72 -34 — 41.9% -0.71 2–3 (40%) 1–1 — +1.45
17 — — — — — — — — — — — — — — — — 1974 1591 117.5 — — — — — +8 -55 49.1% -0.27 4–3 (57%) 1–1 — +1.23
18 — — — — — — — — — — — — — — — — 1975 1614 121.8 — — — — -38 +35 — 43.6% -0.09 3–4 (43%) 1–5 (17%) 93.9 +0.75
19 1968 1503 104.1 — — — — +72 -22 -18 45.0% -0.23 0–2 — — +0.30 1976 1691 133.9 — — — — -127 -3 -77 56.1% +0.48 3–7 (30%) 2–2 (50%) 95.9 +1.06
20 1969 1563 120.2 — — — — -4 +8 -38 51.6% +0.50 1–3 (25%) — — +0.29 1977 1703 124.7 — — — — -115 -9 -57 50.0% -0.03 1–1 — — +1.60
21 1970 1637 131.2 — — — — — +37 -131 54.8% +0.47 3–6 (33%) — — +0.24 1978 1689 124.2 — — — — -72 +21 — 44.2% -0.19 4–3 (57%) 0–3 (0%) 99.0 +0.10
22 1971 1755 149.8 — — — — — +87 -136 69.2% +1.79 2–9 (18%) 2–0 — +0.56 1979 1633 95.0 — — — — — — — 0.0% -3.17 — — — +0.57
23 1972 1782 139.2 — — — — -234 +33 -67 56.8% +0.69 3–4 (43%) — — -2.79 1980 1709 116.1 — — — — -66 +3 — 64.5% +0.64 3–2 (60%) 3–1 (75%) 103.9 +0.91
24 1973 1811 126.8 — — — — -140 — -88 53.1% +0.34 3–1 (75%) — — +0.26 — — — — — — — — — — — — — — — —
Career — 1843 138.6 — — — — -106 +45 -80 57.7% +0.82 12–25 (32%) 2–0 — -0.60 — 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.