H2H data updated: 2026-09-12 00:00 UTC

Stephanie Defina vs Sue Stap H2H: 1-0

Stephanie Defina holds a 1–0 lead over Sue Stap in their WTA head-to-head. Across 1 main-draw meeting, Stephanie Defina leads 1–0 on clay. Most recently, Stephanie Defina won the 1970 St. Petersburg quarterfinal 6-2 4-6 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.

Stephanie Defina
USA Age 80
H2H
1 – 0
1 main-draw meetings
Sue Stap
USA Age 72

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Stephanie Defina 6-2 4-6 6-2 Sue Stap Match data Apr 11, 1970* QF St. Petersburg WTA 500 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
Stephanie Defina — — — 1,818 93 62 60.0% 0 0 0 0 7 7
Sue Stap — — — 1,724 42 78 35.0% 0 0 0 0 1 1

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 Stephanie Defina Sue Stap
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 — — — — — — — 1969 0–1 0.0% — 1,496 0 0
16 — — — — — — — 1970 5–6 45.5% — 1,521 0 0
17 — — — — — — — 1971 2–5 28.6% — 1,502 0 0
18 — — — — — — — 1972 7–5 58.3% — 1,584 0 0
19 — — — — — — — 1973 12–17 41.4% — 1,592 0 0
20 — — — — — — — 1974 8–14 36.4% — 1,614 0 1
21 — — — — — — — 1975 8–13 38.1% — 1,681 0 1
22 1968 33–22 60.0% — 1,678 0 1 1976 0–12 0.0% — 1,534 0 1
23 1969 25–9 73.5% — 1,760 0 5 1977 0–2 0.0% — 1,522 0 1
24 1970 33–17 66.0% — 1,788 0 7 1978 0–2 0.0% — 1,488 0 1
25 1971 1–9 10.0% — 1,706 0 7 1979 0–1 0.0% — 1,483 0 1
26 1972 1–2 33.3% — 1,713 0 7 — — — — — — —
27 1973 0–2 0.0% — 1,685 0 7 — — — — — — —
28 1974 0–1 0.0% — 1,674 0 7 — — — — — — —

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 Stephanie Defina Sue Stap
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 %
15 — — — — — — — — — — — — — — — — — 1969 — — — — — — — — 0 1 1 0.0% — — — —
16 — — — — — — — — — — — — — — — — — 1970 0 1 1 0.0% 3 2 5 60.0% 2 2 4 50.0% 0 1 1 0.0%
17 — — — — — — — — — — — — — — — — — 1971 — — — — 2 3 5 40.0% 0 2 2 0.0% — — — —
18 — — — — — — — — — — — — — — — — — 1972 — — — — 2 1 3 66.7% 5 4 9 55.6% — — — —
19 — — — — — — — — — — — — — — — — — 1973 1 3 4 25.0% 5 8 13 38.5% 5 5 10 50.0% 1 1 2 50.0%
20 — — — — — — — — — — — — — — — — — 1974 0 2 2 0.0% 1 4 5 20.0% 0 2 2 0.0% 1 6 7 14.3%
21 — — — — — — — — — — — — — — — — — 1975 4 4 8 50.0% 0 2 2 0.0% — — — — 4 7 11 36.4%
22 1968 4 6 10 40.0% 20 7 27 74.1% 7 7 14 50.0% 2 2 4 50.0% 1976 0 3 3 0.0% 0 2 2 0.0% — — — — 0 7 7 0.0%
23 1969 1 1 2 50.0% 17 5 22 77.3% — — — — 6 2 8 75.0% 1977 0 1 1 0.0% — — — — — — — — 0 1 1 0.0%
24 1970 4 3 7 57.1% 26 9 35 74.3% 1 2 3 33.3% 2 2 4 50.0% 1978 — — — — 0 1 1 0.0% — — — — — — — —
25 1971 — — — — 0 2 2 0.0% 0 1 1 0.0% 1 6 7 14.3% 1979 — — — — — — — — — — — — 0 1 1 0.0%
26 1972 1 1 2 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
27 1973 0 1 1 0.0% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
28 1974 — — — — — — — — — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
Career — 10 12 22 45.5% 63 24 87 72.4% 8 11 19 42.1% 11 13 24 45.8% — 5 14 19 26.3% 13 23 36 36.1% 12 16 28 42.9% 6 24 30 20.0%

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 Stephanie Defina Sue Stap
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 — — — — — — — — — — — — — — — — 1969 1497 93.8 — — — — — — — 0.0% -6.00 — — — -0.28
16 — — — — — — — — — — — — — — — — 1970 1521 114.8 — — — — — +30 +36 48.0% +0.08 1–2 (33%) — — +1.03
17 — — — — — — — — — — — — — — — — 1971 1502 97.8 — — — — — +46 — 31.3% -1.38 1–1 0–1 — +0.54
18 — — — — — — — — — — — — — — — — 1972 1585 122.3 — — — — — +1 -14 59.3% +0.74 1–2 (33%) — — +0.45
19 — — — — — — — — — — — — — — — — 1973 1592 120.8 — — — — -54 -31 +13 42.9% -0.76 2–3 (40%) 0–1 — -0.24
20 — — — — — — — — — — — — — — — — 1974 1615 138.5 — — — — -155 -59 — 42.6% -0.23 1–4 (20%) — — -2.73
21 — — — — — — — — — — — — — — — — 1975 1682 139.3 — — — — -38 — — 40.4% -0.60 2–3 (40%) 1–1 — -0.70
22 1968 1678 117.2 — — — — -196 +95 -126 56.8% +0.45 13–9 (59%) — — -1.36 1976 1534 102.5 — — — — -85 — — 15.4% -1.89 0–4 (0%) 0–3 (0%) 92.6 +0.75
23 1969 1761 138.3 — — — — -91 +61 — 71.6% +1.86 3–3 (50%) — — +0.05 1977 1522 110.5 — — — — — — — 0.0% -2.75 — — — -0.02
24 1970 1789 133.4 — — — — -88 +98 -231 62.9% +1.05 7–4 (64%) 1–0 — +0.80 1978 1488 97.3 — — — — — — — 20.0% -1.20 0–1 — — +0.27
25 1971 1707 111.7 — — — — -58 — — 10.0% -2.90 — — — -0.83 1979 1483 100.4 — — — — — — — 0.0% -3.00 — — — -0.05
26 1972 1714 107.0 — — — — — — — 33.3% -1.83 — 1–0 — -0.95 — — — — — — — — — — — — — — — —
27 1973 1686 100.5 — — — — — — — 0.0% -3.50 — — — -0.40 — — — — — — — — — — — — — — — —
28 1974 1675 102.4 — — — — — — — 0.0% -1.50 — 0–1 — -0.06 — — — — — — — — — — — — — — — —
Career — 1819 129.6 — — — — -120 +87 -145 57.7% +0.65 23–16 (59%) 2–1 (67%) 104.5 -1.80 — 1724 129.7 — — — — -75 -10 +6 39.4% -0.65 8–20 (29%) 1–6 (14%) 89.5 -0.82

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.