H2H data updated: 2026-09-13 00:00 UTC

Marjorie Blackwood vs Sandy Stap H2H: 0-1

Sandy Stap holds a 1–0 lead over Marjorie Blackwood in their WTA head-to-head. Across 1 main-draw meeting, Sandy Stap leads 1–0 on hard courts. Most recently, Sandy Stap won the 1979 Carlsbad round of 32 6-4 6-0.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Marjorie Blackwood
CAN Age 69
H2H
0 – 1
1 main-draw meetings
Sandy Stap
USA Age 70 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Sandy Stap 6-4 6-0 Marjorie Blackwood Match data Mar 31, 1979* R32 Carlsbad WTA 500 Hard

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
Marjorie Blackwood — — — 1,644 27 51 34.6% 0 0 0 0 0 0
Sandy Stap — — — 1,635 25 33 43.1% 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 Marjorie Blackwood Sandy Stap
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 — — — — — — — 1971 0–2 0.0% — 1,482 0 0
16 — — — — — — — 1972 2–4 33.3% — 1,493 0 0
17 1974 1–2 33.3% — 1,492 0 0 1973 2–6 25.0% — 1,446 0 0
18 — — — — — — — 1974 7–7 50.0% — 1,508 0 0
19 1976 0–2 0.0% — 1,483 0 0 1975 10–7 58.8% — 1,615 0 1
20 1977 3–3 50.0% — 1,495 0 0 1976 0–1 0.0% — 1,594 0 1
21 1978 2–11 15.4% — 1,466 0 0 — — — — — — —
22 1979 1–5 16.7% — 1,458 0 0 1978 3–3 50.0% — 1,579 0 1
23 1980 1–4 20.0% — 1,471 0 0 1979 1–3 25.0% — 1,541 0 1
24 1981 15–17 46.9% — 1,625 0 0 — — — — — — —
25 1982 4–6 40.0% — 1,621 0 0 — — — — — — —
28 1985 0–1 0.0% — 1,599 0 0 — — — — — — —

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 Marjorie Blackwood Sandy 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 — — — — — — — — — — — — — — — — — 1971 — — — — 0 1 1 0.0% 0 1 1 0.0% — — — —
16 — — — — — — — — — — — — — — — — — 1972 — — — — 1 1 2 50.0% 1 3 4 25.0% — — — —
17 1974 — — — — — — — — 1 1 2 50.0% 0 1 1 0.0% 1973 1 2 3 33.3% 1 3 4 25.0% 0 1 1 0.0% — — — —
18 — — — — — — — — — — — — — — — — — 1974 — — — — 4 4 8 50.0% 0 1 1 0.0% 0 1 1 0.0%
19 1976 — — — — 0 2 2 0.0% — — — — — — — — 1975 — — — — 1 3 4 25.0% 5 0 5 100.0% — — — —
20 1977 — — — — 0 1 1 0.0% 3 2 5 60.0% — — — — 1976 — — — — 0 1 1 0.0% — — — — — — — —
21 1978 0 2 2 0.0% 0 1 1 0.0% 2 7 9 22.2% — — — — — — — — — — — — — — — — — — — — —
22 1979 0 2 2 0.0% — — — — 0 2 2 0.0% 1 1 2 50.0% 1978 — — — — 0 1 1 0.0% — — — — — — — —
23 1980 1 1 2 50.0% 0 1 1 0.0% 0 2 2 0.0% — — — — 1979 1 1 2 50.0% — — — — — — — — 0 2 2 0.0%
24 1981 1 4 5 20.0% 4 4 8 50.0% 10 7 17 58.8% 0 2 2 0.0% — — — — — — — — — — — — — — — — —
25 1982 0 2 2 0.0% — — — — 4 4 8 50.0% — — — — — — — — — — — — — — — — — — — — —
28 1985 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 2 12 14 14.3% 4 9 13 30.8% 20 25 45 44.4% 1 4 5 20.0% — 2 3 5 40.0% 7 14 21 33.3% 6 6 12 50.0% 0 3 3 0.0%

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 Marjorie Blackwood Sandy 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 — — — — — — — — — — — — — — — — 1971 1482 103.5 — — — — — — — 20.0% -0.80 0–1 — — +0.01
16 — — — — — — — — — — — — — — — — 1972 1493 112.1 — — — — — — +17 35.7% -0.86 1–1 — — +0.03
17 1974 1493 95.7 — — — — — — — 33.3% -2.83 — — — +0.41 1973 1446 101.0 — — — — +92 +47 — 27.8% -0.89 1–1 0–1 — +1.70
18 — — — — — — — — — — — — — — — — 1974 1509 118.2 — — — — — +31 — 53.1% +0.56 1–3 (25%) 0–1 — +0.89
19 1976 1483 106.0 — — — — — — — 0.0% -3.00 — 0–1 — -0.23 1975 1615 126.2 — — — — — -83 -11 59.0% +0.36 2–3 (40%) 2–1 (67%) 101.9 +0.52
20 1977 1496 103.3 — — — — — — +61 40.0% -0.60 — — — +0.72 1976 1595 99.7 — — — — — — — 33.3% -0.33 0–1 — — +0.15
21 1978 1466 96.3 — — — — — — +20 20.7% -2.24 1–2 (33%) 1–1 — -0.26 — — — — — — — — — — — — — — — —
22 1979 1459 106.7 — — — — +101 — — 15.4% -1.85 1–0 0–3 (0%) — +0.15 1978 1580 104.8 — — — — — — — 46.7% +0.20 2–1 (67%) 1–1 — +0.18
23 1980 1472 115.1 — — — — — — — 22.2% -2.44 1–0 — — -0.44 1979 1541 95.0 — — — — -5 — — 33.3% -0.89 0–1 — — +1.26
24 1981 1625 123.5 — — — — -86 -63 +26 48.1% -0.19 6–7 (46%) 3–2 (60%) 102.4 +1.81 — — — — — — — — — — — — — — — —
25 1982 1621 112.1 — — — — — — +75 40.0% -0.75 2–0 2–2 (50%) — +0.17 — — — — — — — — — — — — — — — —
28 1985 1600 97.2 — — — — — — — 0.0% -3.00 — — — +0.26 — — — — — — — — — — — — — — — —
Career — 1645 115.7 — — — — -18 -63 +39 35.9% -1.07 11–9 (55%) 6–9 (40%) 102.7 +3.36 — 1636 118.0 — — — — +37 +7 +1 45.9% -0.05 7–12 (37%) 3–4 (43%) 96.0 +8.17

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.