H2H data updated: 2026-10-28 00:00 UTC

Judy Chaloner vs P Robertson H2H: 1-0

Judy Chaloner holds a 1–0 lead over P Robertson in their WTA head-to-head. They have met 1 times in main draws. Most recently, Judy Chaloner won the 1978 Norwich round of 32 6-1 6-2.

H2H
1 – 0
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Judy Chaloner 6-1 6-2 P Robertson Match data Apr 27, 1978* R32 Norwich WTA 250 —

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
P Robertson — — — 1,500 1 2 33.3% 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.

Judy Chaloner P Robertson
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1971 0–1 0.0% — 1,499 0 0 1978 1–2 33.3% — 1,488 0 0
1972 0–3 0.0% — 1,455 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% — 1,626 0 7 — — — — — — —
1979 5–6 45.5% — 1,613 0 7 — — — — — — —
1980 3–2 60.0% — 1,624 0 7 — — — — — — —
1981 8–10 44.4% — 1,542 0 7 — — — — — — —

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.

Judy Chaloner P Robertson
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
1971 1499 100.9 — — — — — — — 0.0% -6.00 — — — -0.22 1978 1488 92.0 — — — — — — — 0.0% -4.50 — — — -0.09
1972 1455 94.3 — — — — — — — 0.0% -3.17 — — — +0.25 — — — — — — — — — — — — — — — —
1973 1459 103.4 — — — — — +21 +63 46.2% -0.46 0–2 — — +2.47 — — — — — — — — — — — — — — — —
1974 1455 106.0 — — — — — -13 — 38.1% -0.57 1–2 (33%) — — +1.00 — — — — — — — — — — — — — — — —
1975 1515 112.2 — — — — +32 +66 +27 45.2% -0.35 6–4 (60%) 0–3 (0%) 101.4 +1.16 — — — — — — — — — — — — — — — —
1976 1557 108.8 — — — — — +63 +23 52.2% +0.26 3–0 (100%) 0–2 — +2.06 — — — — — — — — — — — — — — — —
1977 1596 113.2 — — — — -147 +33 +40 51.4% +0.14 0–1 1–1 — +2.78 — — — — — — — — — — — — — — — —
1978 1626 117.0 — — — — — — +42 54.4% +0.42 4–1 (80%) 2–2 (50%) 104.0 +2.09 — — — — — — — — — — — — — — — —
1979 1614 98.4 — — — — — — +46 42.3% -1.23 3–1 (75%) 1–0 — +1.55 — — — — — — — — — — — — — — — —
1980 1624 97.5 — — — — — — +44 54.5% -0.27 1–0 — — +0.72 — — — — — — — — — — — — — — — —
1981 1542 98.9 — — — — — — — 43.2% -0.59 5–3 (63%) 1–2 (33%) — +0.63 — — — — — — — — — — — — — — — —
Career 1670 110.3 — — — — -67 +39 +40 46.3% -0.33 23–14 (62%) 5–10 (33%) 103.7 +9.66 Career 1500 95.6 — — — — — — — 0.0% -4.50 — — — -3.00

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.