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

Merrilyn Robinson vs Judy Chaloner H2H: 0-1

Judy Chaloner holds a 1–0 lead over Merrilyn Robinson 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 Adelaide International round of 64 6-4 6-4.

H2H
0 1
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Judy Chaloner 6-4 6-4 Merrilyn Robinson Match data Dec 13, 1978* R64 Adelaide International WTA 500 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
Merrilyn Robinson 1,509 3 11 21.4% 0 0 0 0 0 0
Judy Chaloner 1,670 71 80 47.0% 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.

Merrilyn Robinson Judy Chaloner
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1975 1–2 33.3% 1,487 0 0 1971 0–1 0.0% 1,499 0 0
1976 1–1 50.0% 1,487 0 0 1972 0–3 0.0% 1,455 0 0
1978 1–8 11.1% 1,429 0 0 1973 5–8 38.5% 1,458 0 1
1974 3–6 33.3% 1,455 0 3
1975 17–20 45.9% 1,514 0 4
1976 6–4 60.0% 1,556 0 6
1977 9–9 50.0% 1,595 0 7
1978 15–11 57.7% 1,625 0 7
1979 5–6 45.5% 1,613 0 7
1980 3–2 60.0% 1,622 0 7
1981 8–10 44.4% 1,541 0 7

Surface Results by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Merrilyn Robinson Judy Chaloner
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 %
1975 1 2 3 33.3% 1971 0 1 1 0.0%
1976 1 1 2 50.0% 1972 0 1 1 0.0% 0 2 2 0.0%
1978 1 1 2 50.0% 0 4 4 0.0% 1973 2 3 5 40.0% 2 4 6 33.3%
1974 1 4 5 20.0% 0 2 2 0.0%
1975 0 3 3 0.0% 7 4 11 63.6% 6 7 13 46.2% 0 1 1 0.0%
1976 3 1 4 75.0% 3 3 6 50.0%
1977 0 2 2 0.0% 4 3 7 57.1% 4 2 6 66.7% 1 2 3 33.3%
1978 0 1 1 0.0% 8 6 14 57.1%
1979 0 1 1 0.0% 5 5 10 50.0%
1980 3 2 5 60.0%
1981 0 1 1 0.0%
Career 1 1 2 50.0% 2 7 9 22.2% Career 0 6 6 0.0% 17 19 36 47.2% 31 33 64 48.4% 1 3 4 25.0%

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Merrilyn Robinson Judy Chaloner
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
1975 1487 96.1 +43 33.3% -1.00 +0.64 1971 1499 100.9 0.0% -6.00 -0.22
1976 1487 102.4 50.0% +1.25 +0.57 1972 1455 94.3 0.0% -3.17 +0.26
1978 1429 99.7 +49 22.2% -2.17 0–2 2–0 -0.07 1973 1459 103.4 +21 +63 46.2% -0.46 0–2 +2.51
1974 1455 106.0 -13 38.1% -0.57 1–2 (33%) +0.99
1975 1515 112.2 +33 +66 +27 45.2% -0.35 6–4 (60%) 0–3 (0%) 101.4 +1.33
1976 1557 108.8 +63 +22 52.2% +0.26 3–0 (100%) 0–2 +2.07
1977 1595 113.2 -146 +34 +40 51.4% +0.14 0–1 1–1 +2.98
1978 1626 116.9 +42 54.4% +0.42 4–1 (80%) 2–2 (50%) 104.0 +2.12
1979 1614 98.5 +46 42.3% -1.23 3–1 (75%) 1–0 +1.54
1980 1622 97.5 +46 54.5% -0.27 1–0 +0.78
1981 1541 98.8 43.2% -0.59 5–3 (63%) 1–2 (33%) +0.65
Career 1510 99.2 +46 28.6% -1.43 0–2 2–0 +8.14 Career 1670 110.3 -66 +39 +40 46.3% -0.33 23–14 (62%) 5–10 (33%) 103.7 +10.01

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.