H2H data updated: 2026-09-14 00:00 UTC

Judy Chaloner vs Marjorie Blackwood H2H: 1-0

Judy Chaloner holds a 1–0 lead over Marjorie Blackwood in their WTA head-to-head. Across 1 main-draw meeting, Judy Chaloner leads 1–0 on grass. Most recently, Judy Chaloner won the 1978 Christchurch round of 32 6-1 6-3.

H2H
1 0
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Judy Chaloner 6-1 6-3 Marjorie Blackwood Match data Nov 23, 1978* R32 Christchurch 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
Judy Chaloner 1,670 71 80 47.0% 0 0 0 0 7 7
Marjorie Blackwood 1,644 27 51 34.6% 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.

Age Judy Chaloner Marjorie Blackwood
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1971 0–1 0.0% 1,499 0 0 1974 1–2 33.3% 1,492 0 0
18 1972 0–3 0.0% 1,455 0 0
19 1973 5–8 38.5% 1,458 0 1 1976 0–2 0.0% 1,483 0 0
20 1974 3–6 33.3% 1,455 0 3 1977 3–3 50.0% 1,495 0 0
21 1975 17–20 45.9% 1,514 0 4 1978 2–11 15.4% 1,466 0 0
22 1976 6–4 60.0% 1,556 0 6 1979 1–5 16.7% 1,458 0 0
23 1977 9–9 50.0% 1,595 0 7 1980 1–4 20.0% 1,471 0 0
24 1978 15–11 57.7% 1,625 0 7 1981 15–17 46.9% 1,625 0 0
25 1979 5–6 45.5% 1,613 0 7 1982 4–6 40.0% 1,621 0 0
26 1980 3–2 60.0% 1,622 0 7
27 1981 8–10 44.4% 1,541 0 7
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 Judy Chaloner Marjorie Blackwood
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 %
17 1971 0 1 1 0.0% 1974 1 1 2 50.0% 0 1 1 0.0%
18 1972 0 1 1 0.0% 0 2 2 0.0%
19 1973 2 3 5 40.0% 2 4 6 33.3% 1976 0 2 2 0.0%
20 1974 1 4 5 20.0% 0 2 2 0.0% 1977 0 1 1 0.0% 3 2 5 60.0%
21 1975 0 3 3 0.0% 7 4 11 63.6% 6 7 13 46.2% 0 1 1 0.0% 1978 0 2 2 0.0% 0 1 1 0.0% 2 7 9 22.2%
22 1976 3 1 4 75.0% 3 3 6 50.0% 1979 0 2 2 0.0% 0 2 2 0.0% 1 1 2 50.0%
23 1977 0 2 2 0.0% 4 3 7 57.1% 4 2 6 66.7% 1 2 3 33.3% 1980 1 1 2 50.0% 0 1 1 0.0% 0 2 2 0.0%
24 1978 0 1 1 0.0% 8 6 14 57.1% 1981 1 4 5 20.0% 4 4 8 50.0% 10 7 17 58.8% 0 2 2 0.0%
25 1979 0 1 1 0.0% 5 5 10 50.0% 1982 0 2 2 0.0% 4 4 8 50.0%
26 1980 3 2 5 60.0%
27 1981 0 1 1 0.0%
28 1985 0 1 1 0.0%
Career 0 6 6 0.0% 17 19 36 47.2% 31 33 64 48.4% 1 3 4 25.0% 2 12 14 14.3% 4 9 13 30.8% 20 25 45 44.4% 1 4 5 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 Judy Chaloner Marjorie Blackwood
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
17 1971 1499 100.9 0.0% -6.00 -0.22 1974 1493 95.7 33.3% -2.83 +0.41
18 1972 1455 94.3 0.0% -3.17 +0.26
19 1973 1459 103.4 +21 +63 46.2% -0.46 0–2 +2.51 1976 1483 106.0 0.0% -3.00 0–1 -0.23
20 1974 1455 106.0 -13 38.1% -0.57 1–2 (33%) +0.99 1977 1496 103.3 +61 40.0% -0.60 +0.72
21 1975 1515 112.2 +33 +66 +27 45.2% -0.35 6–4 (60%) 0–3 (0%) 101.4 +1.33 1978 1466 96.3 +20 20.7% -2.24 1–2 (33%) 1–1 -0.26
22 1976 1557 108.8 +63 +22 52.2% +0.26 3–0 (100%) 0–2 +2.07 1979 1459 106.7 +101 15.4% -1.85 1–0 0–3 (0%) +0.15
23 1977 1595 113.2 -146 +34 +40 51.4% +0.14 0–1 1–1 +2.98 1980 1472 115.1 22.2% -2.44 1–0 -0.44
24 1978 1626 116.9 +42 54.4% +0.42 4–1 (80%) 2–2 (50%) 104.0 +2.12 1981 1625 123.5 -86 -63 +26 48.1% -0.19 6–7 (46%) 3–2 (60%) 102.4 +1.81
25 1979 1614 98.5 +46 42.3% -1.23 3–1 (75%) 1–0 +1.54 1982 1621 112.1 +75 40.0% -0.75 2–0 2–2 (50%) +0.17
26 1980 1622 97.5 +46 54.5% -0.27 1–0 +0.78
27 1981 1541 98.8 43.2% -0.59 5–3 (63%) 1–2 (33%) +0.65
28 1985 1600 97.2 0.0% -3.00 +0.26
Career 1670 110.3 -66 +39 +40 46.3% -0.33 23–14 (62%) 5–10 (33%) 103.7 +10.01 1645 115.7 -18 -63 +39 35.9% -1.07 11–9 (55%) 6–9 (40%) 102.7 +3.36

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.