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

Judy Chaloner vs Keryn Pratt H2H: 1-0

Judy Chaloner holds a 1–0 lead over Keryn Pratt 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 Surbiton round of 16 5-7 6-4 7-5.

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

Judy Chaloner
NZL Age 72
H2H
1 – 0
1 main-draw meetings
Keryn Pratt
AUS Age 67

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Judy Chaloner 5-7 6-4 7-5 Keryn Pratt Match data Jun 2, 1978* R16 Surbiton 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
Keryn Pratt — — — 1,601 29 35 45.3% 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.

Age Judy Chaloner Keryn Pratt
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1971 0–1 0.0% — 1,499 0 0 1976 1–1 50.0% — 1,506 0 0
18 1972 0–3 0.0% — 1,455 0 0 1977 1–2 33.3% — 1,505 0 0
19 1973 5–8 38.5% — 1,458 0 1 1978 7–7 50.0% — 1,511 0 0
20 1974 3–6 33.3% — 1,455 0 3 1979 5–6 45.5% — 1,530 0 0
21 1975 17–20 45.9% — 1,514 0 4 1980 14–14 50.0% — 1,571 0 0
22 1976 6–4 60.0% — 1,556 0 6 1981 1–2 33.3% — 1,552 0 0
23 1977 9–9 50.0% — 1,595 0 7 1982 0–3 0.0% — 1,496 0 0
24 1978 15–11 57.7% — 1,625 0 7 — — — — — — —
25 1979 5–6 45.5% — 1,613 0 7 — — — — — — —
26 1980 3–2 60.0% — 1,622 0 7 — — — — — — —
27 1981 8–10 44.4% — 1,541 0 7 — — — — — — —

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 Keryn Pratt
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% — — — — 1976 — — — — — — — — 1 1 2 50.0% — — — —
18 1972 0 1 1 0.0% 0 2 2 0.0% — — — — — — — — 1977 — — — — 0 1 1 0.0% 0 1 1 0.0% — — — —
19 1973 — — — — 2 3 5 40.0% 2 4 6 33.3% — — — — 1978 — — — — — — — — 2 5 7 28.6% — — — —
20 1974 — — — — 1 4 5 20.0% 0 2 2 0.0% — — — — 1979 — — — — 1 3 4 25.0% 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% 1980 — — — — 9 10 19 47.4% 4 4 8 50.0% — — — —
22 1976 — — — — 3 1 4 75.0% 3 3 6 50.0% — — — — 1981 — — — — 0 1 1 0.0% — — — — — — — —
23 1977 0 2 2 0.0% 4 3 7 57.1% 4 2 6 66.7% 1 2 3 33.3% — — — — — — — — — — — — — — — — —
24 1978 — — — — 0 1 1 0.0% 8 6 14 57.1% — — — — — — — — — — — — — — — — — — — — —
25 1979 — — — — 0 1 1 0.0% 5 5 10 50.0% — — — — — — — — — — — — — — — — — — — — —
26 1980 — — — — — — — — 3 2 5 60.0% — — — — — — — — — — — — — — — — — — — — —
27 1981 — — — — — — — — 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% — — — — — 10 15 25 40.0% 10 13 23 43.5% — — — —

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 Keryn Pratt
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 1976 1506 99.8 — — — — — — — 50.0% -0.50 — — — +0.34
18 1972 1455 94.3 — — — — — — — 0.0% -3.17 — — — +0.26 1977 1505 112.1 — — — — — — — 33.3% 0.00 — — — +0.19
19 1973 1459 103.4 — — — — — +21 +63 46.2% -0.46 0–2 — — +2.51 1978 1511 113.3 — — — — — — -23 51.5% +0.36 2–5 (29%) 1–0 — +1.46
20 1974 1455 106.0 — — — — — -13 — 38.1% -0.57 1–2 (33%) — — +0.99 1979 1530 108.7 — — — — — -38 +4 50.0% +0.17 0–2 2–1 (67%) — +1.49
21 1975 1515 112.2 — — — — +33 +66 +27 45.2% -0.35 6–4 (60%) 0–3 (0%) 101.4 +1.33 1980 1571 108.0 — — — — — -42 -11 43.8% -0.53 8–2 (80%) 3–3 (50%) 108.3 +1.44
22 1976 1557 108.8 — — — — — +63 +22 52.2% +0.26 3–0 (100%) 0–2 — +2.07 1981 1553 101.1 — — — — — — — 33.3% -1.00 — 1–0 — +0.61
23 1977 1595 113.2 — — — — -146 +34 +40 51.4% +0.14 0–1 1–1 — +2.98 1982 1497 93.5 — — — — — — — 0.0% -2.33 — — — +0.12
24 1978 1626 116.9 — — — — — — +42 54.4% +0.42 4–1 (80%) 2–2 (50%) 104.0 +2.12 — — — — — — — — — — — — — — — —
25 1979 1614 98.5 — — — — — — +46 42.3% -1.23 3–1 (75%) 1–0 — +1.54 — — — — — — — — — — — — — — — —
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 — — — — — — — — — — — — — — — —
Career — 1670 110.3 — — — — -66 +39 +40 46.3% -0.33 23–14 (62%) 5–10 (33%) 103.7 +10.01 — 1601 110.6 — — — — — -41 -11 44.1% -0.28 10–9 (53%) 7–4 (64%) 105.0 +8.97

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.