H2H data updated: 2026-09-08 00:00 UTC

Barbara Hallquist vs Mary Hamm H2H: 0-1

Mary Hamm holds a 1–0 lead over Barbara Hallquist in their WTA head-to-head. Across 1 main-draw meeting, Mary Hamm leads 1–0 on grass. Most recently, Mary Hamm won the 1974 Haverford round of 32 2-6 7-6 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.

Barbara Hallquist
USA Age 69
H2H
0 – 1
1 main-draw meetings
Mary Hamm
USA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mary Hamm 2-6 7-6 6-2 Barbara Hallquist Match data Aug 22, 1974* R32 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
Barbara Hallquist — — — 1,777 67 90 42.7% 0 0 0 0 0 0
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.

Barbara Hallquist Mary Hamm
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1973 2–1 66.7% — 1,516 0 0 1969 0–1 0.0% — 1,491 0 0
1974 2–3 40.0% — 1,500 0 0 1973 1–4 20.0% — 1,471 0 0
1975 3–1 75.0% — 1,541 0 0 1974 4–3 57.1% — 1,515 0 0
1976 0–1 0.0% — 1,530 0 0 1975 4–3 57.1% — 1,539 0 0
1977 4–2 66.7% — 1,577 0 0 1976 6–6 50.0% — 1,584 0 0
1978 8–9 47.1% — 1,615 0 0 1977 12–18 40.0% — 1,661 0 0
1979 3–13 18.8% — 1,564 0 0 1978 1–4 20.0% — 1,631 0 0
1980 14–13 51.9% — 1,702 0 0 1981 3–3 50.0% — 1,604 0 0
1981 14–17 45.2% — 1,736 0 0 — — — — — — —
1982 12–14 46.2% — 1,706 0 0 — — — — — — —
1983 5–16 23.8% — 1,567 0 0 — — — — — — —

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.

Barbara Hallquist Mary Hamm
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 %
1973 2 1 3 66.7% — — — — — — — — — — — — 1969 — — — — 0 1 1 0.0% — — — — — — — —
1974 2 2 4 50.0% — — — — 0 1 1 0.0% — — — — 1973 0 2 2 0.0% — — — — 0 1 1 0.0% — — — —
1975 — — — — — — — — 3 1 4 75.0% — — — — 1974 — — — — 2 2 4 50.0% 2 1 3 66.7% — — — —
1976 — — — — 0 1 1 0.0% — — — — — — — — 1975 — — — — — — — — 1 1 2 50.0% — — — —
1977 — — — — 1 1 2 50.0% — — — — — — — — 1976 3 3 6 50.0% 2 2 4 50.0% — — — — 1 1 2 50.0%
1978 3 4 7 42.9% 0 1 1 0.0% 1 2 3 33.3% — — — — 1977 4 3 7 57.1% 4 6 10 40.0% 0 2 2 0.0% 3 5 8 37.5%
1979 3 4 7 42.9% 0 1 1 0.0% 0 6 6 0.0% 0 2 2 0.0% 1978 1 1 2 50.0% — — — — — — — — 0 3 3 0.0%
1980 7 8 15 46.7% 2 2 4 50.0% 5 3 8 62.5% — — — — — — — — — — — — — — — — — — — — —
1981 7 6 13 53.8% — — — — 7 6 13 53.8% 0 5 5 0.0% — — — — — — — — — — — — — — — — —
1982 7 5 12 58.3% 0 3 3 0.0% 5 6 11 45.5% — — — — — — — — — — — — — — — — — — — — —
1983 3 8 11 27.3% 0 3 3 0.0% 1 3 4 25.0% 1 2 3 33.3% — — — — — — — — — — — — — — — — —
Career 34 38 72 47.2% 3 12 15 20.0% 22 28 50 44.0% 1 9 10 10.0% 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.

Barbara Hallquist 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
1973 1516 110.1 — — — — +80 — — 66.7% +2.33 — — — +0.83 1969 1492 97.2 — — — — — — — 0.0% -3.50 — — — -0.08
1974 1500 97.3 — — — — +94 — — 38.5% -0.85 2–1 (67%) 0–1 — +1.26 1973 1472 97.7 — — — — — — — 30.8% -1.08 1–2 (33%) 0–1 — +0.01
1975 1541 102.9 — — — — — — +36 60.0% +0.60 2–0 1–1 — +0.62 1974 1516 103.8 — — — — — -6 +43 50.0% -0.06 3–1 (75%) 2–0 — +0.80
1976 1530 102.4 — — — — — — — 33.3% -1.00 0–1 — — +0.08 1975 1540 117.4 — — — — — — — 62.5% +1.31 0–2 1–2 (33%) — +0.55
1977 1578 113.0 — — — — — — — 57.1% +0.21 2–0 1–0 — +0.31 1976 1585 112.8 — — — — +22 -30 — 44.8% -0.31 4–1 (80%) 2–0 — +1.02
1978 1615 117.4 — — — — +32 — -43 48.6% -0.16 3–2 (60%) 2–1 (67%) — +0.27 1977 1661 131.0 — — — — +18 -54 — 42.0% -0.54 6–5 (55%) 3–2 (60%) 103.8 -0.77
1979 1564 114.4 — — — — +88 — -66 27.0% -1.76 3–4 (43%) 0–1 — -0.88 1978 1631 115.5 — — — — +18 — — 27.3% -1.27 0–1 0–2 — +0.46
1980 1702 131.2 — — — — -29 -211 -89 52.4% -0.19 4–5 (44%) 6–1 (86%) 104.8 -1.74 1981 1604 108.7 — — — — — — — 50.0% +0.57 1–1 1–2 (33%) — +0.05
1981 1736 128.2 — — — — -10 — -69 43.2% -0.74 8–4 (67%) 2–0 — -2.03 — — — — — — — — — — — — — — — —
1982 1707 102.0 — — — — -3 -250 -62 44.1% -0.80 5–2 (71%) 4–4 (50%) 102.8 -0.61 — — — — — — — — — — — — — — — —
1983 1567 105.0 — — — — +48 -95 +32 28.3% -1.37 1–3 (25%) 0–3 (0%) 93.9 +0.68 — — — — — — — — — — — — — — — —
Career 1777 121.4 — — — — +20 -188 -52 43.1% -0.66 30–22 (58%) 16–12 (57%) 106.6 -0.77 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.