H2H data updated: 2026-09-07 00:00 UTC

Mary Ann Eisel vs Stephanie Defina H2H: 4-1

Mary Ann Eisel holds a 4–1 lead over Stephanie Defina in their WTA head-to-head. Across 5 main-draw meetings, Mary Ann Eisel leads 3–0 on carpet, while Stephanie Defina leads 1–0 on clay. Most recently, Mary Ann Eisel won the 1971 San Francisco round of 16 6-3 6-2.

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Mary Ann Eisel
USA Age 79 Right-Handed
H2H
4 – 1
5 main-draw meetings
Stephanie Defina
USA Age 80

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Mary Ann Eisel 6-3 6-2 Stephanie Defina Match data Jan 10, 1971* R16 San Francisco WTA 250 Carpet
Mary Ann Eisel 8-6 7-5 Stephanie Defina Match data Feb 25, 1970* QF Agawam WTA 250 Hard
Mary Ann Eisel 6-3 4-6 6-2 Stephanie Defina Match data Feb 25, 1969* F Boston WTA 250 Carpet
Mary Ann Eisel 6-4 6-0 Stephanie Defina Match data Feb 19, 1969* SF Agawam WTA 250 Carpet
Stephanie Defina 6-3 7-5 Mary Ann Eisel Match data Jan 26, 1969* F Fort Lauderdale WTA 250 Clay

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 Ann Eisel — — — 1,956 172 95 64.4% 0 0 0 0 12 12
Stephanie Defina — — — 1,818 93 62 60.0% 0 0 0 0 7 7

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 Mary Ann Eisel Stephanie Defina
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
21 1968 45–22 67.2% — 1,772 0 3 — — — — — — —
22 1969 54–23 70.1% — 1,820 0 7 1968 33–22 60.0% — 1,678 0 1
23 1970 33–20 62.3% — 1,784 0 11 1969 25–9 73.5% — 1,760 0 5
24 1971 26–19 57.8% — 1,870 0 11 1970 33–17 66.0% — 1,788 0 7
25 1972 3–6 33.3% — 1,832 0 11 1971 1–9 10.0% — 1,706 0 7
26 1973 2–1 66.7% — 1,844 0 11 1972 1–2 33.3% — 1,713 0 7
27 1974 7–2 77.8% — 1,865 0 12 1973 0–2 0.0% — 1,685 0 7
28 1975 1–1 50.0% — 1,856 0 12 1974 0–1 0.0% — 1,674 0 7
29 1976 1–1 50.0% — 1,844 0 12 — — — — — — —

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 Mary Ann Eisel Stephanie Defina
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 %
21 1968 4 3 7 57.1% 3 3 6 50.0% 27 9 36 75.0% 11 7 18 61.1% — — — — — — — — — — — — — — — — —
22 1969 1 3 4 25.0% 17 8 25 68.0% 26 7 33 78.8% 10 5 15 66.7% 1968 4 6 10 40.0% 20 7 27 74.1% 7 7 14 50.0% 2 2 4 50.0%
23 1970 5 1 6 83.3% 10 8 18 55.6% 13 7 20 65.0% 4 2 6 66.7% 1969 1 1 2 50.0% 17 5 22 77.3% — — — — 6 2 8 75.0%
24 1971 4 3 7 57.1% 8 4 12 66.7% 7 4 11 63.6% 7 8 15 46.7% 1970 4 3 7 57.1% 26 9 35 74.3% 1 2 3 33.3% 2 2 4 50.0%
25 1972 — — — — — — — — 2 2 4 50.0% 1 4 5 20.0% 1971 — — — — 0 2 2 0.0% 0 1 1 0.0% 1 6 7 14.3%
26 1973 — — — — 2 1 3 66.7% — — — — — — — — 1972 1 1 2 50.0% 0 1 1 0.0% — — — — — — — —
27 1974 — — — — 6 0 6 100.0% — — — — 1 2 3 33.3% 1973 0 1 1 0.0% — — — — 0 1 1 0.0% — — — —
28 1975 1 1 2 50.0% — — — — — — — — — — — — 1974 — — — — — — — — — — — — 0 1 1 0.0%
29 1976 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 16 12 28 57.1% 46 24 70 65.7% 75 29 104 72.1% 34 28 62 54.8% — 10 12 22 45.5% 63 24 87 72.4% 8 11 19 42.1% 11 13 24 45.8%

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 Mary Ann Eisel Stephanie Defina
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
21 1968 1773 127.8 — — — — -14 -244 +92 60.9% +0.93 17–7 (71%) — — -1.99 — — — — — — — — — — — — — — — —
22 1969 1820 139.1 — — — — -21 -61 +133 65.7% +1.05 15–9 (63%) — — -5.01 1968 1678 117.2 — — — — -196 +95 -126 56.8% +0.45 13–9 (59%) — — -1.36
23 1970 1785 131.6 — — — — +107 -54 +100 60.3% +0.69 10–8 (56%) 1–0 — -1.37 1969 1761 138.3 — — — — -91 +61 — 71.6% +1.86 3–3 (50%) — — +0.05
24 1971 1871 144.6 — — — — +33 -38 +3 55.4% +0.21 7–6 (54%) 5–6 (45%) 100.6 -4.54 1970 1789 133.4 — — — — -88 +98 -231 62.9% +1.05 7–4 (64%) 1–0 — +0.80
25 1972 1833 126.1 — — — — +22 — -11 45.8% -0.04 1–5 (17%) 1–1 — -1.40 1971 1707 111.7 — — — — -58 — — 10.0% -2.90 — — — -0.83
26 1973 1844 115.8 — — — — — +7 — 66.7% +1.33 — — — -0.50 1972 1714 107.0 — — — — — — — 33.3% -1.83 — 1–0 — -0.95
27 1974 1865 125.8 — — — — -56 +61 — 76.2% +1.67 1–2 (33%) 1–2 (33%) — -0.04 1973 1686 100.5 — — — — — — — 0.0% -3.50 — — — -0.40
28 1975 1857 107.1 — — — — — — — 50.0% +0.50 1–1 — — -0.07 1974 1675 102.4 — — — — — — — 0.0% -1.50 — 0–1 — -0.06
29 1976 1845 104.6 — — — — — — — 50.0% +0.50 1–1 — — +0.12 — — — — — — — — — — — — — — — —
Career — 1956 139.2 — — — — +14 -58 +93 61.0% +0.78 53–39 (58%) 8–9 (47%) 103.3 -5.67 — 1819 129.6 — — — — -120 +87 -145 57.7% +0.65 23–16 (59%) 2–1 (67%) 104.5 -1.80

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.