H2H data updated: 2026-09-12 00:00 UTC

Patricia Bostrom vs Judy Chaloner H2H: 1-0

Patricia Bostrom holds a 1–0 lead over Judy Chaloner in their WTA head-to-head. Across 1 main-draw meeting, Patricia Bostrom leads 1–0 on grass. Most recently, Patricia Bostrom won the 1973 ASB Classic round of 16 6-4 6-0.

H2H
1 0
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Patricia Bostrom 6-4 6-0 Judy Chaloner Match data Jan 13, 1973* R16 ASB Classic 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
Patricia Bostrom 1,674 57 88 39.3% 0 0 0 0 1 1
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.

Age Patricia Bostrom Judy Chaloner
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1969 1–1 50.0% 1,502 0 0 1971 0–1 0.0% 1,499 0 0
18 1970 1–4 20.0% 1,483 0 0 1972 0–3 0.0% 1,455 0 0
19 1971 0–4 0.0% 1,451 0 0 1973 5–8 38.5% 1,458 0 1
20 1972 7–7 50.0% 1,499 0 1 1974 3–6 33.3% 1,455 0 3
21 1973 16–23 41.0% 1,587 0 1 1975 17–20 45.9% 1,514 0 4
22 1974 12–10 54.5% 1,654 0 1 1976 6–4 60.0% 1,556 0 6
23 1975 5–6 45.5% 1,625 0 1 1977 9–9 50.0% 1,595 0 7
24 1976 4–7 36.4% 1,624 0 1 1978 15–11 57.7% 1,625 0 7
25 1977 8–9 47.1% 1,618 0 1 1979 5–6 45.5% 1,613 0 7
26 1978 3–16 15.8% 1,516 0 1 1980 3–2 60.0% 1,622 0 7
27 1979 0–1 0.0% 1,504 0 1 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 Patricia Bostrom 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 %
17 1971 0 1 1 0.0%
18 1970 1 2 3 33.3% 0 2 2 0.0% 1972 0 1 1 0.0% 0 2 2 0.0%
19 1971 0 1 1 0.0% 0 2 2 0.0% 0 1 1 0.0% 1973 2 3 5 40.0% 2 4 6 33.3%
20 1972 5 2 7 71.4% 0 3 3 0.0% 1 2 3 33.3% 1974 1 4 5 20.0% 0 2 2 0.0%
21 1973 4 6 10 40.0% 5 10 15 33.3% 7 7 14 50.0% 1975 0 3 3 0.0% 7 4 11 63.6% 6 7 13 46.2% 0 1 1 0.0%
22 1974 8 4 12 66.7% 0 1 1 0.0% 1 2 3 33.3% 3 3 6 50.0% 1976 3 1 4 75.0% 3 3 6 50.0%
23 1975 1 1 2 50.0% 0 1 1 0.0% 2 1 3 66.7% 1977 0 2 2 0.0% 4 3 7 57.1% 4 2 6 66.7% 1 2 3 33.3%
24 1976 2 1 3 66.7% 0 2 2 0.0% 1 3 4 25.0% 1 1 2 50.0% 1978 0 1 1 0.0% 8 6 14 57.1%
25 1977 2 1 3 66.7% 1 1 2 50.0% 2 5 7 28.6% 3 2 5 60.0% 1979 0 1 1 0.0% 5 5 10 50.0%
26 1978 0 4 4 0.0% 1 4 5 20.0% 2 5 7 28.6% 0 3 3 0.0% 1980 3 2 5 60.0%
27 1979 0 1 1 0.0% 1981 0 1 1 0.0%
Career 22 20 42 52.4% 8 26 34 23.5% 14 28 42 33.3% 9 10 19 47.4% 0 6 6 0.0% 17 19 36 47.2% 31 33 64 48.4% 1 3 4 25.0%

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 Patricia Bostrom 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
17 1969 1503 100.5 40.0% -0.60 1–0 +0.10 1971 1499 100.9 0.0% -6.00 -0.22
18 1970 1484 99.6 +32 20.0% -2.60 -0.16 1972 1455 94.3 0.0% -3.17 +0.26
19 1971 1452 99.7 11.1% -3.00 0–1 -0.15 1973 1459 103.4 +21 +63 46.2% -0.46 0–2 +2.51
20 1972 1500 99.4 +123 -57 -9 46.9% -0.56 3–1 (75%) 2–1 (67%) +2.43 1974 1455 106.0 -13 38.1% -0.57 1–2 (33%) +0.99
21 1973 1588 114.9 +7 -115 -22 39.3% -0.73 5–3 (63%) 0–3 (0%) 101.2 +0.87 1975 1515 112.2 +33 +66 +27 45.2% -0.35 6–4 (60%) 0–3 (0%) 101.4 +1.33
22 1974 1655 122.8 +30 -96 51.1% +0.15 3–0 (100%) +1.81 1976 1557 108.8 +63 +22 52.2% +0.26 3–0 (100%) 0–2 +2.07
23 1975 1626 110.1 +103 42.3% -0.15 3–1 (75%) 1–2 (33%) 101.9 +1.58 1977 1595 113.2 -146 +34 +40 51.4% +0.14 0–1 1–1 +2.98
24 1976 1624 114.2 +86 -46 28.6% -1.43 1–0 0–1 -0.62 1978 1626 116.9 +42 54.4% +0.42 4–1 (80%) 2–2 (50%) 104.0 +2.12
25 1977 1619 116.5 +106 -82 51.4% +0.20 1–2 (33%) 2–3 (40%) 98.5 +2.87 1979 1614 98.5 +46 42.3% -1.23 3–1 (75%) 1–0 +1.54
26 1978 1517 103.1 +118 -78 -14 17.9% -2.54 0–1 +0.45 1980 1622 97.5 +46 54.5% -0.27 1–0 +0.78
27 1979 1504 95.7 0.0% -4.50 +0.08 1981 1541 98.8 43.2% -0.59 5–3 (63%) 1–2 (33%) +0.65
Career 1675 114.8 +68 -84 -39 38.4% -0.85 17–9 (65%) 5–10 (33%) 103.0 +6.48 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.