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

Patricia Bostrom vs Ching Ling Chang H2H: 2-0

Patricia Bostrom holds a 2–0 lead over Ching Ling Chang in their WTA head-to-head. Across 2 main-draw meetings, Patricia Bostrom leads 1–0 on hard courts. Most recently, Patricia Bostrom won the 1975 St. Petersburg round of 32 6-3 6-3.

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

Patricia Bostrom
USA Age 74
H2H
2 – 0
2 main-draw meetings
Ching Ling Chang
USA Age 78

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Patricia Bostrom 6-3 6-3 Ching Ling Chang Match data Mar 13, 1975* R32 St. Petersburg WTA 500 —
Patricia Bostrom 6-4 6-2 Ching Ling Chang Match data Apr 4, 1974* R32 Costa Mesa WTA 250 Hard

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
Ching Ling Chang — — — 1,500 13 41 24.1% 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 Patricia Bostrom Ching Ling Chang
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1969 1–1 50.0% — 1,502 0 0 — — — — — — —
18 1970 1–4 20.0% — 1,483 0 0 — — — — — — —
19 1971 0–4 0.0% — 1,451 0 0 — — — — — — —
20 1972 7–7 50.0% — 1,499 0 1 — — — — — — —
21 1973 16–23 41.0% — 1,587 0 1 — — — — — — —
22 1974 12–10 54.5% — 1,654 0 1 — — — — — — —
23 1975 5–6 45.5% — 1,625 0 1 1971 0–5 0.0% — 1,467 0 0
24 1976 4–7 36.4% — 1,624 0 1 1972 0–3 0.0% — 1,442 0 0
25 1977 8–9 47.1% — 1,618 0 1 1973 5–11 31.2% — 1,445 0 0
26 1978 3–16 15.8% — 1,516 0 1 1974 8–16 33.3% — 1,466 0 0
27 1979 0–1 0.0% — 1,504 0 1 1975 0–6 0.0% — 1,411 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 Patricia Bostrom Ching Ling Chang
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 %
18 1970 — — — — 1 2 3 33.3% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
19 1971 0 1 1 0.0% 0 2 2 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
20 1972 5 2 7 71.4% 0 3 3 0.0% 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — —
21 1973 4 6 10 40.0% 5 10 15 33.3% 7 7 14 50.0% — — — — — — — — — — — — — — — — — — — — —
22 1974 8 4 12 66.7% 0 1 1 0.0% 1 2 3 33.3% 3 3 6 50.0% — — — — — — — — — — — — — — — — —
23 1975 1 1 2 50.0% 0 1 1 0.0% — — — — 2 1 3 66.7% 1971 0 1 1 0.0% 0 1 1 0.0% 0 3 3 0.0% — — — —
24 1976 2 1 3 66.7% 0 2 2 0.0% 1 3 4 25.0% 1 1 2 50.0% 1972 0 1 1 0.0% — — — — 0 1 1 0.0% — — — —
25 1977 2 1 3 66.7% 1 1 2 50.0% 2 5 7 28.6% 3 2 5 60.0% 1973 — — — — 2 6 8 25.0% 3 4 7 42.9% — — — —
26 1978 0 4 4 0.0% 1 4 5 20.0% 2 5 7 28.6% 0 3 3 0.0% 1974 3 4 7 42.9% 4 7 11 36.4% 0 2 2 0.0% 0 1 1 0.0%
27 1979 — — — — — — — — 0 1 1 0.0% — — — — 1975 0 1 1 0.0% 0 1 1 0.0% — — — — 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% — 3 7 10 30.0% 6 15 21 28.6% 3 10 13 23.1% 0 2 2 0.0%

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 Ching Ling Chang
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 — — — — — — — — — — — — — — — —
18 1970 1484 99.6 — — — — — +32 — 20.0% -2.60 — — — -0.16 — — — — — — — — — — — — — — — —
19 1971 1452 99.7 — — — — — — — 11.1% -3.00 0–1 — — -0.15 — — — — — — — — — — — — — — — —
20 1972 1500 99.4 — — — — +123 -57 -9 46.9% -0.56 3–1 (75%) 2–1 (67%) — +2.43 — — — — — — — — — — — — — — — —
21 1973 1588 114.9 — — — — +7 -115 -22 39.3% -0.73 5–3 (63%) 0–3 (0%) 101.2 +0.87 — — — — — — — — — — — — — — — —
22 1974 1655 122.8 — — — — +30 — -96 51.1% +0.15 3–0 (100%) — — +1.81 — — — — — — — — — — — — — — — —
23 1975 1626 110.1 — — — — +103 — — 42.3% -0.15 3–1 (75%) 1–2 (33%) 101.9 +1.58 1971 1468 98.2 — — — — — — +43 0.0% -4.00 — — — -0.06
24 1976 1624 114.2 — — — — +86 — -46 28.6% -1.43 1–0 0–1 — -0.62 1972 1442 90.9 — — — — — — — 0.0% -4.50 — — — +0.27
25 1977 1619 116.5 — — — — +106 — -82 51.4% +0.20 1–2 (33%) 2–3 (40%) 98.5 +2.87 1973 1445 99.8 — — — — — +24 +44 34.3% -1.09 1–2 (33%) 1–1 — +1.08
26 1978 1517 103.1 — — — — +118 -78 -14 17.9% -2.54 0–1 — — +0.45 1974 1467 93.7 — — — — +96 -3 — 35.8% -1.49 2–3 (40%) 3–0 (100%) 102.1 +0.93
27 1979 1504 95.7 — — — — — — — 0.0% -4.50 — — — +0.08 1975 1412 92.1 — — — — — — — 7.7% -3.31 0–1 1–0 — +0.28
Career — 1675 114.8 — — — — +68 -84 -39 38.4% -0.85 17–9 (65%) 5–10 (33%) 103.0 +6.48 — 1500 93.3 — — — — +96 +8 +44 28.3% -1.86 3–6 (33%) 5–1 (83%) 101.2 +4.81

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.