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 |
H2H data updated: 2026-09-13 00:00 UTC
Mariana Simionescu vs Kathy May H2H: 0-2
Kathy May holds a 2–0 lead over Mariana Simionescu in their WTA head-to-head. Across 2 main-draw meetings, Kathy May leads 2–0 on carpet. Most recently, Kathy May won the 1978 Seattle round of 32 6-3 6-4.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
ROU
Age 69
H2H
0
–
2
2 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Kathy May | 6-3 6-4 | Mariana Simionescu | Match data | Feb 9, 1978* | R32 | Seattle | WTA 250 | Carpet |
| Kathy May | 7-5 4-6 6-1 | Mariana Simionescu | Match data | Feb 6, 1976* | R32 | Akron | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mariana Simionescu | — | — | — | 1,743 | 68 | 72 | 48.6% | 0 | 0 | 0 | 0 | 2 | 2 |
| Kathy May | — | — | — | 1,908 | 111 | 89 | 55.5% | 0 | 0 | 0 | 0 | 6 | 6 |
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 | Kathy May | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 15 | — | — | — | — | — | — | — | 1971 | 0–1 | 0.0% | — | 1,497 | 0 | 0 |
| 16 | 1973 | 5–8 | 38.5% | — | 1,515 | 0 | 0 | 1972 | 4–2 | 66.7% | — | 1,536 | 0 | 0 |
| 17 | 1974 | 13–12 | 52.0% | — | 1,591 | 0 | 0 | 1973 | 6–1 | 85.7% | — | 1,626 | 0 | 1 |
| 18 | 1975 | 10–14 | 41.7% | — | 1,614 | 0 | 0 | 1974 | 16–5 | 76.2% | — | 1,713 | 0 | 4 |
| 19 | 1976 | 15–13 | 53.6% | — | 1,691 | 0 | 1 | 1975 | 14–13 | 51.9% | — | 1,748 | 0 | 5 |
| 20 | 1977 | 7–8 | 46.7% | — | 1,703 | 0 | 1 | 1976 | 15–13 | 53.6% | — | 1,812 | 0 | 6 |
| 21 | 1978 | 9–10 | 47.4% | — | 1,689 | 0 | 1 | 1977 | 14–16 | 46.7% | — | 1,802 | 0 | 6 |
| 22 | 1979 | 0–3 | 0.0% | — | 1,632 | 0 | 1 | 1978 | 21–16 | 56.8% | — | 1,829 | 0 | 6 |
| 23 | 1980 | 9–4 | 69.2% | — | 1,709 | 0 | 2 | 1979 | 15–12 | 55.6% | — | 1,829 | 0 | 6 |
| 24 | — | — | — | — | — | — | — | 1980 | 4–8 | 33.3% | — | 1,731 | 0 | 6 |
| 25 | — | — | — | — | — | — | — | 1981 | 1–1 | 50.0% | — | 1,713 | 0 | 6 |
| 34 | — | — | — | — | — | — | — | 1990 | 1–1 | 50.0% | — | 1,705 | 0 | 6 |
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 | Kathy May | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | |||
| 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1971 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 16 | 1973 | — | — | — | — | 1 | 3 | 4 | 25.0% | 0 | 2 | 2 | 0.0% | 4 | 3 | 7 | 57.1% | 1972 | 4 | 2 | 6 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — |
| 17 | 1974 | 0 | 1 | 1 | 0.0% | 11 | 6 | 17 | 64.7% | 2 | 4 | 6 | 33.3% | 0 | 1 | 1 | 0.0% | 1973 | 5 | 0 | 5 | 100.0% | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 18 | 1975 | 0 | 1 | 1 | 0.0% | 8 | 7 | 15 | 53.3% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | 1974 | 7 | 0 | 7 | 100.0% | 0 | 1 | 1 | 0.0% | 8 | 3 | 11 | 72.7% | 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 | 0 | 1 | 1 | 0.0% | 4 | 7 | 11 | 36.4% | 3 | 2 | 5 | 60.0% | 0 | 1 | 1 | 0.0% |
| 20 | 1977 | — | — | — | — | 1 | 3 | 4 | 25.0% | 3 | 1 | 4 | 75.0% | 3 | 3 | 6 | 50.0% | 1976 | 1 | 1 | 2 | 50.0% | 11 | 6 | 17 | 64.7% | 0 | 2 | 2 | 0.0% | 3 | 4 | 7 | 42.9% |
| 21 | 1978 | 1 | 2 | 3 | 33.3% | 4 | 3 | 7 | 57.1% | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% | 1977 | 1 | 2 | 3 | 33.3% | 7 | 7 | 14 | 50.0% | 3 | 3 | 6 | 50.0% | 3 | 4 | 7 | 42.9% |
| 22 | 1979 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | 1978 | 5 | 5 | 10 | 50.0% | 6 | 5 | 11 | 54.5% | 2 | 1 | 3 | 66.7% | 8 | 5 | 13 | 61.5% |
| 23 | 1980 | 5 | 1 | 6 | 83.3% | 4 | 3 | 7 | 57.1% | — | — | — | — | — | — | — | — | 1979 | 6 | 4 | 10 | 60.0% | 1 | 1 | 2 | 50.0% | 2 | 3 | 5 | 40.0% | 6 | 4 | 10 | 60.0% |
| 24 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1980 | 1 | 2 | 3 | 33.3% | — | — | — | — | 1 | 2 | 3 | 33.3% | 0 | 3 | 3 | 0.0% |
| 34 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1990 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 7 | 7 | 14 | 50.0% | 38 | 33 | 71 | 53.5% | 9 | 11 | 20 | 45.0% | 9 | 15 | 24 | 37.5% | — | 31 | 19 | 50 | 62.0% | 29 | 27 | 56 | 51.8% | 20 | 17 | 37 | 54.1% | 21 | 22 | 43 | 48.8% |
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 | Kathy May | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1971 | 1497 | 102.9 | — | — | — | — | — | — | — | 33.3% | -1.00 | 0–1 | — | — | -0.25 |
| 16 | 1973 | 1516 | 96.6 | — | — | — | — | +72 | -34 | — | 41.9% | -0.71 | 2–3 (40%) | 1–1 | — | +1.45 | 1972 | 1537 | 105.3 | — | — | — | — | +66 | — | — | 57.1% | +0.71 | 2–0 | — | — | +1.22 |
| 17 | 1974 | 1591 | 117.5 | — | — | — | — | — | +8 | -55 | 49.1% | -0.27 | 4–3 (57%) | 1–1 | — | +1.23 | 1973 | 1626 | 119.7 | — | — | — | — | +97 | — | — | 76.5% | +2.24 | 2–1 (67%) | 1–1 | — | +1.52 |
| 18 | 1975 | 1614 | 121.8 | — | — | — | — | -38 | +35 | — | 43.6% | -0.09 | 3–4 (43%) | 1–5 (17%) | 93.9 | +0.75 | 1974 | 1713 | 120.9 | — | — | — | — | +112 | — | -31 | 70.8% | +1.44 | 4–2 (67%) | 2–1 (67%) | 103.0 | +4.53 |
| 19 | 1976 | 1691 | 133.9 | — | — | — | — | -127 | -3 | -77 | 56.1% | +0.48 | 3–7 (30%) | 2–2 (50%) | 95.9 | +1.06 | 1975 | 1749 | 141.0 | — | — | — | — | — | -194 | -46 | 53.3% | +0.27 | 2–4 (33%) | 4–3 (57%) | 98.8 | -2.15 |
| 20 | 1977 | 1703 | 124.7 | — | — | — | — | -115 | -9 | -57 | 50.0% | -0.03 | 1–1 | — | — | +1.60 | 1976 | 1812 | 121.0 | — | — | — | — | -28 | -89 | — | 48.4% | -0.44 | 8–2 (80%) | 5–0 (100%) | 111.1 | -1.24 |
| 21 | 1978 | 1689 | 124.2 | — | — | — | — | -72 | +21 | — | 44.2% | -0.19 | 4–3 (57%) | 0–3 (0%) | 99.0 | +0.10 | 1977 | 1803 | 147.7 | — | — | — | — | +22 | -55 | -100 | 54.0% | -0.14 | 1–6 (14%) | 5–1 (83%) | 97.8 | -3.29 |
| 22 | 1979 | 1633 | 95.0 | — | — | — | — | — | — | — | 0.0% | -3.17 | — | — | — | +0.57 | 1978 | 1830 | 146.4 | — | — | — | — | +43 | -105 | -94 | 58.5% | +0.80 | 4–6 (40%) | 2–4 (33%) | 97.7 | -1.49 |
| 23 | 1980 | 1709 | 116.1 | — | — | — | — | -66 | +3 | — | 64.5% | +0.64 | 3–2 (60%) | 3–1 (75%) | 103.9 | +0.91 | 1979 | 1830 | 136.1 | — | — | — | — | +67 | — | -99 | 50.0% | -0.12 | 6–2 (75%) | 3–1 (75%) | 104.8 | +0.55 |
| 24 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1980 | 1731 | 114.5 | — | — | — | — | +40 | — | -26 | 39.3% | -0.71 | 1–3 (25%) | 1–0 | — | -0.13 |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1981 | 1713 | 106.4 | — | — | — | — | — | — | — | 60.0% | +2.00 | 0–1 | 0–1 | — | +0.05 |
| 34 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1990 | 1705 | 99.6 | — | — | — | — | — | — | — | 40.0% | -0.40 | 1–0 | 0–1 | — | +0.11 |
| Career | — | 1744 | 126.3 | — | — | — | — | -58 | +9 | -63 | 48.9% | -0.06 | 20–23 (47%) | 8–13 (38%) | 95.8 | +5.56 | — | 1909 | 141.8 | — | — | — | — | +50 | -105 | -61 | 55.0% | +0.31 | 31–28 (53%) | 23–13 (64%) | 107.6 | -0.29 |
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.
Kathy May
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Renata Tomanova | 3 | 2 | 5 | Jun 25, 1980 | H2H |
| Laura Dupont | 3 | 2 | 5 | Jan 10, 1980 | H2H |
| Sue Barker | 0 | 5 | 5 | Mar 10, 1979 | H2H |
| Martina Navratilova | 1 | 4 | 5 | Jan 13, 1979 | H2H |
| Virginia Wade | 1 | 4 | 5 | Sep 15, 1978 | H2H |