Jill Schwikert
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Rosie Casals | 0 | 4 | 4 | Sep 27, 1973 | H2H |
| Janet Haas | 0 | 2 | 2 | Oct 15, 1975 | H2H |
| Dianne Fromholtz | 0 | 2 | 2 | Aug 7, 1974 | H2H |
| Julie Heldman | 0 | 2 | 2 | Oct 6, 1973 | H2H |
| Valerie Ziegenfuss | 0 | 2 | 2 | Sep 13, 1973 | H2H |
H2H data updated: 2026-09-12 00:00 UTC
Jill Schwikert vs Mariana Simionescu H2H: 0-1
Mariana Simionescu holds a 1–0 lead over Jill Schwikert in their WTA head-to-head. They have met 1 times in main draws. Most recently, Mariana Simionescu won the 1975 Pensacola round of 32 6-4 6-2.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Mariana Simionescu | 6-4 6-2 | Jill Schwikert | Match data | Mar 20, 1975* | R32 | Pensacola | WTA 250 | — |
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 Schwikert | — | — | — | 1,512 | 10 | 31 | 24.4% | 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.
| Jill Schwikert | Mariana Simionescu | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1970 | 0–1 | 0.0% | — | 1,490 | 0 | 0 | 1973 | 5–8 | 38.5% | — | 1,515 | 0 | 0 |
| 1972 | 0–1 | 0.0% | — | 1,476 | 0 | 0 | 1974 | 13–12 | 52.0% | — | 1,591 | 0 | 0 |
| 1973 | 2–12 | 14.3% | — | 1,471 | 0 | 0 | 1975 | 10–14 | 41.7% | — | 1,614 | 0 | 0 |
| 1974 | 7–12 | 36.8% | — | 1,453 | 0 | 0 | 1976 | 15–13 | 53.6% | — | 1,691 | 0 | 1 |
| 1975 | 1–5 | 16.7% | — | 1,432 | 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.
| Jill Schwikert | Mariana Simionescu | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | ||||||||||||||||||||||||
| 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 % | ||
| 1970 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | 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% | 1 | 5 | 6 | 16.7% | — | — | — | — | 0 | 2 | 2 | 0.0% | 1975 | 0 | 1 | 1 | 0.0% | 8 | 7 | 15 | 53.3% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% |
| 1974 | 2 | 2 | 4 | 50.0% | 1 | 4 | 5 | 20.0% | 1 | 3 | 4 | 25.0% | 1 | 1 | 2 | 50.0% | 1976 | 1 | 1 | 2 | 50.0% | 9 | 7 | 16 | 56.3% | 4 | 1 | 5 | 80.0% | 1 | 4 | 5 | 20.0% |
| 1975 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | 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 | 3 | 9 | 12 | 25.0% | 2 | 10 | 12 | 16.7% | 1 | 3 | 4 | 25.0% | 1 | 4 | 5 | 20.0% | 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.
| Jill 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 |
| 1970 | 1490 | 98.9 | — | — | — | — | — | — | — | 0.0% | -3.00 | — | — | — | -0.06 | 1973 | 1516 | 96.6 | — | — | — | — | +72 | -34 | — | 41.9% | -0.71 | 2–3 (40%) | 1–1 | — | +1.45 |
| 1972 | 1477 | 87.4 | — | — | — | — | — | — | — | 0.0% | -6.00 | — | — | — | +0.14 | 1974 | 1591 | 117.5 | — | — | — | — | — | +8 | -55 | 49.1% | -0.27 | 4–3 (57%) | 1–1 | — | +1.23 |
| 1973 | 1471 | 108.4 | — | — | — | — | +29 | +16 | — | 13.8% | -3.31 | 1–0 | — | — | -1.00 | 1975 | 1614 | 121.8 | — | — | — | — | -38 | +35 | — | 43.6% | -0.09 | 3–4 (43%) | 1–5 (17%) | 93.9 | +0.75 |
| 1974 | 1453 | 105.6 | — | — | — | — | +52 | +3 | +70 | 40.9% | -0.52 | 2–4 (33%) | 1–0 | — | +2.11 | 1976 | 1691 | 133.9 | — | — | — | — | -127 | -3 | -77 | 56.1% | +0.48 | 3–7 (30%) | 2–2 (50%) | 95.9 | +1.06 |
| 1975 | 1433 | 100.0 | — | — | — | — | — | — | — | 18.2% | -1.82 | 1–0 | — | — | +0.42 | 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 | 1513 | 103.5 | — | — | — | — | +39 | +10 | +70 | 27.3% | -1.78 | 4–4 (50%) | 1–0 | — | +4.03 | 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.
Mariana Simionescu
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Regina Marsikova | 0 | 4 | 4 | Jun 6, 1978 | H2H |
| Virginia Ruzici | 0 | 4 | 4 | May 26, 1978 | H2H |
| Donna Ganz | 2 | 2 | 4 | Jun 7, 1975 | H2H |
| Sue Barker | 1 | 2 | 3 | Oct 19, 1978 | H2H |
| Laura Dupont | 2 | 1 | 3 | May 26, 1976 | H2H |