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

Joy Schwikert vs Mariana Simionescu H2H: 0-1

Mariana Simionescu holds a 1–0 lead over Joy Schwikert in their WTA head-to-head. They have met 1 times in main draws. Most recently, Mariana Simionescu won the 1975 St. Petersburg round of 32 6-7 6-4 6-3.

H2H
0 1
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mariana Simionescu 6-7 6-4 6-3 Joy Schwikert Match data Mar 13, 1975* R32 St. Petersburg WTA 500

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
Joy Schwikert 1,570 19 38 33.3% 0 0 0 0 0 0
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.

Joy Schwikert Mariana Simionescu
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1971 1–1 50.0% 1,492 0 0 1973 5–8 38.5% 1,515 0 0
1972 0–1 0.0% 1,489 0 0 1974 13–12 52.0% 1,591 0 0
1973 5–13 27.8% 1,514 0 0 1975 10–14 41.7% 1,614 0 0
1974 8–13 38.1% 1,487 0 0 1976 15–13 53.6% 1,691 0 1
1975 5–10 33.3% 1,477 0 0 1977 7–8 46.7% 1,703 0 1
1978 9–10 47.4% 1,689 0 1
1979 0–3 0.0% 1,632 0 1
1980 9–4 69.2% 1,709 0 2

Surface Results by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Joy Schwikert 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 %
1971 1 1 2 50.0% 1973 1 3 4 25.0% 0 2 2 0.0% 4 3 7 57.1%
1972 0 1 1 0.0% 1974 0 1 1 0.0% 11 6 17 64.7% 2 4 6 33.3% 0 1 1 0.0%
1973 1 5 6 16.7% 2 5 7 28.6% 2 3 5 40.0% 1975 0 1 1 0.0% 8 7 15 53.3% 0 1 1 0.0% 0 2 2 0.0%
1974 4 2 6 66.7% 2 4 6 33.3% 0 4 4 0.0% 1 2 3 33.3% 1976 1 1 2 50.0% 9 7 16 56.3% 4 1 5 80.0% 1 4 5 20.0%
1975 1 2 3 33.3% 3 1 4 75.0% 1977 1 3 4 25.0% 3 1 4 75.0% 3 3 6 50.0%
1978 1 2 3 33.3% 4 3 7 57.1% 0 1 1 0.0% 1 2 3 33.3%
1979 0 1 1 0.0% 0 1 1 0.0% 0 1 1 0.0%
1980 5 1 6 83.3% 4 3 7 57.1%
Career 6 9 15 40.0% 5 11 16 31.2% 0 4 4 0.0% 6 6 12 50.0% Career 7 7 14 50.0% 38 33 71 53.5% 9 11 20 45.0% 9 15 24 37.5%

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Joy Schwikert 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
1971 1492 98.8 33.3% -2.33 0–1 -0.02 1973 1516 96.6 +72 -34 41.9% -0.71 2–3 (40%) 1–1 +1.45
1972 1490 98.0 0.0% -4.00 -0.21 1974 1591 117.5 +8 -55 49.1% -0.27 4–3 (57%) 1–1 +1.23
1973 1515 118.3 -12 +9 27.0% -2.00 1–2 (33%) 1–1 -0.97 1975 1614 121.8 -38 +35 43.6% -0.09 3–4 (43%) 1–5 (17%) 93.9 +0.75
1974 1487 105.6 +53 +24 -15 40.8% -0.51 3–4 (43%) 0–2 +1.91 1976 1691 133.9 -127 -3 -77 56.1% +0.48 3–7 (30%) 2–2 (50%) 95.9 +1.06
1975 1478 110.3 +172 +34 34.4% -0.91 1–1 2–1 (67%) +1.09 1977 1703 124.7 -115 -9 -57 50.0% -0.03 1–1 +1.60
1978 1689 124.2 -72 +21 44.2% -0.19 4–3 (57%) 0–3 (0%) 99.0 +0.10
1979 1633 95.0 0.0% -3.17 +0.57
1980 1709 116.1 -66 +3 64.5% +0.64 3–2 (60%) 3–1 (75%) 103.9 +0.91
Career 1570 111.9 +43 +19 -15 34.1% -1.16 5–8 (38%) 3–4 (43%) 97.4 +3.27 Career 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.