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 |
H2H data updated: 2026-09-12 00:00 UTC
Mary Hamm vs Judith Principe H2H: 0-1
Judith Principe holds a 1–0 lead over Mary Hamm in their WTA head-to-head. They have met 1 times in main draws. Most recently, Judith Principe won the 1981 St. Simons round of 16 3-6 6-2 6-1.
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 |
|---|---|---|---|---|---|---|---|---|
| Judith Principe | 3-6 6-2 6-1 | Mary Hamm | Match data | Jul 24, 1981* | R16 | St. Simons | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mary Hamm | — | — | — | 1,680 | 31 | 42 | 42.5% | 0 | 0 | 0 | 0 | 0 | 0 |
| Judith Principe | — | — | — | 1,599 | 7 | 2 | 77.8% | 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.
| Mary Hamm | Judith Principe | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1969 | 0–1 | 0.0% | — | 1,491 | 0 | 0 | 1981 | 7–2 | 77.8% | — | 1,584 | 0 | 0 |
| 1973 | 1–4 | 20.0% | — | 1,471 | 0 | 0 | — | — | — | — | — | — | — |
| 1974 | 4–3 | 57.1% | — | 1,515 | 0 | 0 | — | — | — | — | — | — | — |
| 1975 | 4–3 | 57.1% | — | 1,539 | 0 | 0 | — | — | — | — | — | — | — |
| 1976 | 6–6 | 50.0% | — | 1,584 | 0 | 0 | — | — | — | — | — | — | — |
| 1977 | 12–18 | 40.0% | — | 1,661 | 0 | 0 | — | — | — | — | — | — | — |
| 1978 | 1–4 | 20.0% | — | 1,631 | 0 | 0 | — | — | — | — | — | — | — |
| 1981 | 3–3 | 50.0% | — | 1,604 | 0 | 0 | — | — | — | — | — | — | — |
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.
| Mary Hamm | Judith Principe | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 1969 | 1492 | 97.2 | — | — | — | — | — | — | — | 0.0% | -3.50 | — | — | — | -0.08 | 1981 | 1585 | 118.5 | — | — | — | — | — | — | — | 68.2% | +1.50 | 3–1 (75%) | 3–0 (100%) | — | +0.10 |
| 1973 | 1472 | 97.7 | — | — | — | — | — | — | — | 30.8% | -1.08 | 1–2 (33%) | 0–1 | — | +0.01 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1974 | 1516 | 103.8 | — | — | — | — | — | -6 | +43 | 50.0% | -0.06 | 3–1 (75%) | 2–0 | — | +0.80 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1975 | 1540 | 117.4 | — | — | — | — | — | — | — | 62.5% | +1.31 | 0–2 | 1–2 (33%) | — | +0.55 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1976 | 1585 | 112.8 | — | — | — | — | +22 | -30 | — | 44.8% | -0.31 | 4–1 (80%) | 2–0 | — | +1.02 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1977 | 1661 | 131.0 | — | — | — | — | +18 | -54 | — | 42.0% | -0.54 | 6–5 (55%) | 3–2 (60%) | 103.8 | -0.77 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1978 | 1631 | 115.5 | — | — | — | — | +18 | — | — | 27.3% | -1.27 | 0–1 | 0–2 | — | +0.46 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1981 | 1604 | 108.7 | — | — | — | — | — | — | — | 50.0% | +0.57 | 1–1 | 1–2 (33%) | — | +0.05 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1680 | 123.5 | — | — | — | — | +19 | -38 | +43 | 43.6% | -0.31 | 15–13 (54%) | 9–9 (50%) | 103.1 | +2.79 | Career | 1599 | 112.2 | — | — | — | — | — | — | — | 68.2% | +1.50 | 3–1 (75%) | 3–0 (100%) | — | +1.11 |
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.
Judith Principe
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Silvana Urroz | 1 | 0 | 1 | Aug 1, 1981 | H2H |
| Rita Agassi | 0 | 1 | 1 | Aug 1, 1981 | H2H |
| Donna Rubin | 1 | 0 | 1 | Jul 31, 1981 | H2H |
| Cynthia Dennis | 1 | 0 | 1 | Jul 30, 1981 | H2H |
| Kate Brasher | 0 | 1 | 1 | Jul 26, 1981 | H2H |