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 |
H2H data updated: 2026-09-12 00:00 UTC
Kathy May vs Mary Hamm H2H: 1-1
Kathy May and Mary Hamm are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, Mary Hamm leads 1–0 on clay, while Kathy May leads 1–0 on grass. Most recently, Mary Hamm won the 1977 Indianapolis round of 32 6-1 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 |
|---|---|---|---|---|---|---|---|---|
| Mary Hamm | 6-1 6-2 | Kathy May | Match data | Aug 12, 1977* | R32 | Indianapolis | WTA 250 | Clay |
| Kathy May | 6-4 6-0 | Mary Hamm | Match data | Aug 24, 1974* | QF | Haverford | WTA 250 | Grass |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kathy May | — | — | — | 1,908 | 111 | 89 | 55.5% | 0 | 0 | 0 | 0 | 6 | 6 |
| Mary Hamm | — | — | — | 1,680 | 31 | 42 | 42.5% | 0 | 0 | 0 | 0 | 0 | 0 |
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.
| Kathy May | Mary Hamm | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1971 | 0–1 | 0.0% | — | 1,497 | 0 | 0 | 1969 | 0–1 | 0.0% | — | 1,491 | 0 | 0 |
| 1972 | 4–2 | 66.7% | — | 1,536 | 0 | 0 | 1973 | 1–4 | 20.0% | — | 1,471 | 0 | 0 |
| 1973 | 6–1 | 85.7% | — | 1,626 | 0 | 1 | 1974 | 4–3 | 57.1% | — | 1,515 | 0 | 0 |
| 1974 | 16–5 | 76.2% | — | 1,713 | 0 | 4 | 1975 | 4–3 | 57.1% | — | 1,539 | 0 | 0 |
| 1975 | 14–13 | 51.9% | — | 1,748 | 0 | 5 | 1976 | 6–6 | 50.0% | — | 1,584 | 0 | 0 |
| 1976 | 15–13 | 53.6% | — | 1,812 | 0 | 6 | 1977 | 12–18 | 40.0% | — | 1,661 | 0 | 0 |
| 1977 | 14–16 | 46.7% | — | 1,802 | 0 | 6 | 1978 | 1–4 | 20.0% | — | 1,631 | 0 | 0 |
| 1978 | 21–16 | 56.8% | — | 1,829 | 0 | 6 | 1981 | 3–3 | 50.0% | — | 1,604 | 0 | 0 |
| 1979 | 15–12 | 55.6% | — | 1,829 | 0 | 6 | — | — | — | — | — | — | — |
| 1980 | 4–8 | 33.3% | — | 1,731 | 0 | 6 | — | — | — | — | — | — | — |
| 1981 | 1–1 | 50.0% | — | 1,713 | 0 | 6 | — | — | — | — | — | — | — |
| 1990 | 1–1 | 50.0% | — | 1,705 | 0 | 6 | — | — | — | — | — | — | — |
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.
| Kathy May | Mary Hamm | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | ||
| 1971 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | 1969 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 1972 | 4 | 2 | 6 | 66.7% | — | — | — | — | — | — | — | — | — | — | — | — | 1973 | 0 | 2 | 2 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 1973 | 5 | 0 | 5 | 100.0% | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | 1974 | — | — | — | — | 2 | 2 | 4 | 50.0% | 2 | 1 | 3 | 66.7% | — | — | — | — |
| 1974 | 7 | 0 | 7 | 100.0% | 0 | 1 | 1 | 0.0% | 8 | 3 | 11 | 72.7% | 1 | 1 | 2 | 50.0% | 1975 | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 1975 | 0 | 1 | 1 | 0.0% | 4 | 7 | 11 | 36.4% | 3 | 2 | 5 | 60.0% | 0 | 1 | 1 | 0.0% | 1976 | 3 | 3 | 6 | 50.0% | 2 | 2 | 4 | 50.0% | — | — | — | — | 1 | 1 | 2 | 50.0% |
| 1976 | 1 | 1 | 2 | 50.0% | 11 | 6 | 17 | 64.7% | 0 | 2 | 2 | 0.0% | 3 | 4 | 7 | 42.9% | 1977 | 4 | 3 | 7 | 57.1% | 4 | 6 | 10 | 40.0% | 0 | 2 | 2 | 0.0% | 3 | 5 | 8 | 37.5% |
| 1977 | 1 | 2 | 3 | 33.3% | 7 | 7 | 14 | 50.0% | 3 | 3 | 6 | 50.0% | 3 | 4 | 7 | 42.9% | 1978 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 0 | 3 | 3 | 0.0% |
| 1978 | 5 | 5 | 10 | 50.0% | 6 | 5 | 11 | 54.5% | 2 | 1 | 3 | 66.7% | 8 | 5 | 13 | 61.5% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1979 | 6 | 4 | 10 | 60.0% | 1 | 1 | 2 | 50.0% | 2 | 3 | 5 | 40.0% | 6 | 4 | 10 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1980 | 1 | 2 | 3 | 33.3% | — | — | — | — | 1 | 2 | 3 | 33.3% | 0 | 3 | 3 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1990 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 31 | 19 | 50 | 62.0% | 29 | 27 | 56 | 51.8% | 20 | 17 | 37 | 54.1% | 21 | 22 | 43 | 48.8% | Career | 8 | 9 | 17 | 47.1% | 8 | 11 | 19 | 42.1% | 3 | 5 | 8 | 37.5% | 4 | 9 | 13 | 30.8% |
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.
| Kathy May | Mary Hamm | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1497 | 102.9 | — | — | — | — | — | — | — | 33.3% | -1.00 | 0–1 | — | — | -0.25 | 1969 | 1492 | 97.2 | — | — | — | — | — | — | — | 0.0% | -3.50 | — | — | — | -0.08 |
| 1972 | 1537 | 105.3 | — | — | — | — | +66 | — | — | 57.1% | +0.71 | 2–0 | — | — | +1.22 | 1973 | 1472 | 97.7 | — | — | — | — | — | — | — | 30.8% | -1.08 | 1–2 (33%) | 0–1 | — | +0.01 |
| 1973 | 1626 | 119.7 | — | — | — | — | +97 | — | — | 76.5% | +2.24 | 2–1 (67%) | 1–1 | — | +1.52 | 1974 | 1516 | 103.8 | — | — | — | — | — | -6 | +43 | 50.0% | -0.06 | 3–1 (75%) | 2–0 | — | +0.80 |
| 1974 | 1713 | 120.9 | — | — | — | — | +112 | — | -31 | 70.8% | +1.44 | 4–2 (67%) | 2–1 (67%) | 103.0 | +4.53 | 1975 | 1540 | 117.4 | — | — | — | — | — | — | — | 62.5% | +1.31 | 0–2 | 1–2 (33%) | — | +0.55 |
| 1975 | 1749 | 141.0 | — | — | — | — | — | -194 | -46 | 53.3% | +0.27 | 2–4 (33%) | 4–3 (57%) | 98.8 | -2.15 | 1976 | 1585 | 112.8 | — | — | — | — | +22 | -30 | — | 44.8% | -0.31 | 4–1 (80%) | 2–0 | — | +1.02 |
| 1976 | 1812 | 121.0 | — | — | — | — | -28 | -89 | — | 48.4% | -0.44 | 8–2 (80%) | 5–0 (100%) | 111.1 | -1.24 | 1977 | 1661 | 131.0 | — | — | — | — | +18 | -54 | — | 42.0% | -0.54 | 6–5 (55%) | 3–2 (60%) | 103.8 | -0.77 |
| 1977 | 1803 | 147.7 | — | — | — | — | +22 | -55 | -100 | 54.0% | -0.14 | 1–6 (14%) | 5–1 (83%) | 97.8 | -3.29 | 1978 | 1631 | 115.5 | — | — | — | — | +18 | — | — | 27.3% | -1.27 | 0–1 | 0–2 | — | +0.46 |
| 1978 | 1830 | 146.4 | — | — | — | — | +43 | -105 | -94 | 58.5% | +0.80 | 4–6 (40%) | 2–4 (33%) | 97.7 | -1.49 | 1981 | 1604 | 108.7 | — | — | — | — | — | — | — | 50.0% | +0.57 | 1–1 | 1–2 (33%) | — | +0.05 |
| 1979 | 1830 | 136.1 | — | — | — | — | +67 | — | -99 | 50.0% | -0.12 | 6–2 (75%) | 3–1 (75%) | 104.8 | +0.55 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1980 | 1731 | 114.5 | — | — | — | — | +40 | — | -26 | 39.3% | -0.71 | 1–3 (25%) | 1–0 | — | -0.13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1981 | 1713 | 106.4 | — | — | — | — | — | — | — | 60.0% | +2.00 | 0–1 | 0–1 | — | +0.05 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1990 | 1705 | 99.6 | — | — | — | — | — | — | — | 40.0% | -0.40 | 1–0 | 0–1 | — | +0.11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1909 | 141.8 | — | — | — | — | +50 | -105 | -61 | 55.0% | +0.31 | 31–28 (53%) | 23–13 (64%) | 107.6 | -0.29 | Career | 1680 | 123.5 | — | — | — | — | +19 | -38 | +43 | 43.6% | -0.31 | 15–13 (54%) | 9–9 (50%) | 103.1 | +2.79 |
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.
Mary Hamm
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Martina Navratilova | 0 | 3 | 3 | Mar 9, 1978 | H2H |
| Ilana Kloss | 1 | 1 | 2 | Sep 15, 1978 | H2H |
| Marita Redondo | 1 | 1 | 2 | Mar 2, 1978 | H2H |
| Joanne Russell | 0 | 2 | 2 | Oct 13, 1977 | H2H |
| Kathy May | 1 | 1 | 2 | Aug 12, 1977 | H2H |