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

Marjorie Blackwood vs Kathy May H2H: 0-2

Kathy May holds a 2–0 lead over Marjorie Blackwood in their WTA head-to-head. Across 2 main-draw meetings, Kathy May leads 1–0 on carpet and 1–0 on clay. Most recently, Kathy May won the 1979 Dallas round of 32 7-6 6-3.

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 – 2
2 main-draw meetings
Kathy May
USA Age 70 Right-Handed 173 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kathy May 7-6 6-3 Marjorie Blackwood Match data Mar 1, 1979* R32 Dallas WTA 250 Carpet
Kathy May 6-1 6-3 Marjorie Blackwood Match data Aug 18, 1977* R32 Canadian Open 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
Marjorie Blackwood — — — 1,644 27 51 34.6% 0 0 0 0 0 0
Kathy May — — — 1,908 111 89 55.5% 0 0 0 0 6 6

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 Kathy May
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 — — — — — — — 1971 0–1 0.0% — 1,497 0 0
16 — — — — — — — 1972 4–2 66.7% — 1,536 0 0
17 1974 1–2 33.3% — 1,492 0 0 1973 6–1 85.7% — 1,626 0 1
18 — — — — — — — 1974 16–5 76.2% — 1,713 0 4
19 1976 0–2 0.0% — 1,483 0 0 1975 14–13 51.9% — 1,748 0 5
20 1977 3–3 50.0% — 1,495 0 0 1976 15–13 53.6% — 1,812 0 6
21 1978 2–11 15.4% — 1,466 0 0 1977 14–16 46.7% — 1,802 0 6
22 1979 1–5 16.7% — 1,458 0 0 1978 21–16 56.8% — 1,829 0 6
23 1980 1–4 20.0% — 1,471 0 0 1979 15–12 55.6% — 1,829 0 6
24 1981 15–17 46.9% — 1,625 0 0 1980 4–8 33.3% — 1,731 0 6
25 1982 4–6 40.0% — 1,621 0 0 1981 1–1 50.0% — 1,713 0 6
28 1985 0–1 0.0% — 1,599 0 0 — — — — — — —
34 — — — — — — — 1990 1–1 50.0% — 1,705 0 6

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 Kathy May
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% — — — — — — — — — — — —
16 — — — — — — — — — — — — — — — — — 1972 4 2 6 66.7% — — — — — — — — — — — —
17 1974 — — — — — — — — 1 1 2 50.0% 0 1 1 0.0% 1973 5 0 5 100.0% — — — — 1 1 2 50.0% — — — —
18 — — — — — — — — — — — — — — — — — 1974 7 0 7 100.0% 0 1 1 0.0% 8 3 11 72.7% 1 1 2 50.0%
19 1976 — — — — 0 2 2 0.0% — — — — — — — — 1975 0 1 1 0.0% 4 7 11 36.4% 3 2 5 60.0% 0 1 1 0.0%
20 1977 — — — — 0 1 1 0.0% 3 2 5 60.0% — — — — 1976 1 1 2 50.0% 11 6 17 64.7% 0 2 2 0.0% 3 4 7 42.9%
21 1978 0 2 2 0.0% 0 1 1 0.0% 2 7 9 22.2% — — — — 1977 1 2 3 33.3% 7 7 14 50.0% 3 3 6 50.0% 3 4 7 42.9%
22 1979 0 2 2 0.0% — — — — 0 2 2 0.0% 1 1 2 50.0% 1978 5 5 10 50.0% 6 5 11 54.5% 2 1 3 66.7% 8 5 13 61.5%
23 1980 1 1 2 50.0% 0 1 1 0.0% 0 2 2 0.0% — — — — 1979 6 4 10 60.0% 1 1 2 50.0% 2 3 5 40.0% 6 4 10 60.0%
24 1981 1 4 5 20.0% 4 4 8 50.0% 10 7 17 58.8% 0 2 2 0.0% 1980 1 2 3 33.3% — — — — 1 2 3 33.3% 0 3 3 0.0%
25 1982 0 2 2 0.0% — — — — 4 4 8 50.0% — — — — — — — — — — — — — — — — — — — — —
28 1985 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
34 — — — — — — — — — — — — — — — — — 1990 1 1 2 50.0% — — — — — — — — — — — —
Career — 2 12 14 14.3% 4 9 13 30.8% 20 25 45 44.4% 1 4 5 20.0% — 31 19 50 62.0% 29 27 56 51.8% 20 17 37 54.1% 21 22 43 48.8%

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 Marjorie Blackwood Kathy May
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 1497 102.9 — — — — — — — 33.3% -1.00 0–1 — — -0.25
16 — — — — — — — — — — — — — — — — 1972 1537 105.3 — — — — +66 — — 57.1% +0.71 2–0 — — +1.22
17 1974 1493 95.7 — — — — — — — 33.3% -2.83 — — — +0.41 1973 1626 119.7 — — — — +97 — — 76.5% +2.24 2–1 (67%) 1–1 — +1.52
18 — — — — — — — — — — — — — — — — 1974 1713 120.9 — — — — +112 — -31 70.8% +1.44 4–2 (67%) 2–1 (67%) 103.0 +4.53
19 1976 1483 106.0 — — — — — — — 0.0% -3.00 — 0–1 — -0.23 1975 1749 141.0 — — — — — -194 -46 53.3% +0.27 2–4 (33%) 4–3 (57%) 98.8 -2.15
20 1977 1496 103.3 — — — — — — +61 40.0% -0.60 — — — +0.72 1976 1812 121.0 — — — — -28 -89 — 48.4% -0.44 8–2 (80%) 5–0 (100%) 111.1 -1.24
21 1978 1466 96.3 — — — — — — +20 20.7% -2.24 1–2 (33%) 1–1 — -0.26 1977 1803 147.7 — — — — +22 -55 -100 54.0% -0.14 1–6 (14%) 5–1 (83%) 97.8 -3.29
22 1979 1459 106.7 — — — — +101 — — 15.4% -1.85 1–0 0–3 (0%) — +0.15 1978 1830 146.4 — — — — +43 -105 -94 58.5% +0.80 4–6 (40%) 2–4 (33%) 97.7 -1.49
23 1980 1472 115.1 — — — — — — — 22.2% -2.44 1–0 — — -0.44 1979 1830 136.1 — — — — +67 — -99 50.0% -0.12 6–2 (75%) 3–1 (75%) 104.8 +0.55
24 1981 1625 123.5 — — — — -86 -63 +26 48.1% -0.19 6–7 (46%) 3–2 (60%) 102.4 +1.81 1980 1731 114.5 — — — — +40 — -26 39.3% -0.71 1–3 (25%) 1–0 — -0.13
25 1982 1621 112.1 — — — — — — +75 40.0% -0.75 2–0 2–2 (50%) — +0.17 1981 1713 106.4 — — — — — — — 60.0% +2.00 0–1 0–1 — +0.05
28 1985 1600 97.2 — — — — — — — 0.0% -3.00 — — — +0.26 — — — — — — — — — — — — — — — —
34 — — — — — — — — — — — — — — — — 1990 1705 99.6 — — — — — — — 40.0% -0.40 1–0 0–1 — +0.11
Career — 1645 115.7 — — — — -18 -63 +39 35.9% -1.07 11–9 (55%) 6–9 (40%) 102.7 +3.36 — 1909 141.8 — — — — +50 -105 -61 55.0% +0.31 31–28 (53%) 23–13 (64%) 107.6 -0.29

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.