H2H data updated: 2026-07-19 02:51 UTC

Rosie Casals vs Valerie Ziegenfuss H2H: 26-0

Rosie Casals holds a 26–0 lead over Valerie Ziegenfuss in their WTA head-to-head. Across 26 main-draw meetings, Rosie Casals leads 10–0 on carpet and 7–0 on grass. Most recently, Rosie Casals won the 1978 Hilton Head fourth round 6-4 6-4.

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Rosie Casals
USA Age 77 Right-Handed 159 cm / 5'3"
H2H
26 – 0
26 main draw meetings
Valerie Ziegenfuss
Age 77

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Apr 14, 1978* Hilton Head WTA 250 R16 Clay Rosie Casals 6-4 6-4 Valerie Ziegenfuss Match data
Jun 24, 1977* Wimbledon Grand Slam R64 Grass Rosie Casals 6-3 6-3 Valerie Ziegenfuss Match data
Feb 4, 1977* Seattle WTA 250 R16 Carpet Rosie Casals 6-2 6-3 Valerie Ziegenfuss Match data
Jan 16, 1976* Houston WTA 250 R16 Hard Rosie Casals 6-3 6-1 Valerie Ziegenfuss Match data
Mar 2, 1974* Chicago WTA 250 QF Carpet Rosie Casals 6-1 6-4 Valerie Ziegenfuss Match data
Mar 28, 1973 Tucson WTA 250 BR Hard Rosie Casals 8-5 Valerie Ziegenfuss Match data
Feb 26, 1973* Indianapolis WTA 250 R16 Carpet Rosie Casals 7-5 6-4 Valerie Ziegenfuss Match data
Feb 3, 1973* Bethesda WTA 250 QF Carpet Rosie Casals 6-1 7-5 Valerie Ziegenfuss Match data
Jan 28, 1973* Los Angeles WTA 500 QF Carpet Rosie Casals 6-2 6-1 Valerie Ziegenfuss Match data
Jan 16, 1973 San Francisco WTA 250 BR Carpet Rosie Casals 6-1 6-4 Valerie Ziegenfuss Match data
Dec 12, 1972* New York WTA 250 SF Carpet Rosie Casals 6-4 5-7 6-3 Valerie Ziegenfuss Match data
Sep 5, 1972* US Open Grand Slam R32 Grass Rosie Casals 6-3 6-4 Valerie Ziegenfuss Match data
Aug 6, 1972* Columbus WTA 250 SF Clay Rosie Casals 6-2 6-2 Valerie Ziegenfuss Match data
Feb 24, 1972 Washington WTA 250 R16 Carpet Rosie Casals 6-1 6-4 Valerie Ziegenfuss Match data
Feb 22, 1972* Oklahoma City WTA 250 F Carpet Rosie Casals 6-4 6-1 Valerie Ziegenfuss Match data
Dec 12, 1971* Auckland WTA 250 SF Grass Rosie Casals 6-2 6-4 Valerie Ziegenfuss Match data
Dec 6, 1971* Christchurch WTA 250 QF Grass Rosie Casals 5-7 6-3 6-2 Valerie Ziegenfuss Match data
Aug 12, 1971 Toronto WTA 250 QF Clay Rosie Casals 6-3 6-3 Valerie Ziegenfuss Match data
Jun 17, 1971* Queen's Club WTA 250 R32 Grass Rosie Casals 6-2 6-1 Valerie Ziegenfuss Match data
Apr 27, 1971* San Diego WTA 500 SF Hard Rosie Casals 0-6 7-5 6-3 Valerie Ziegenfuss Match data
Mar 2, 1971* Boston WTA 250 R16 Carpet Rosie Casals 6-1 6-2 Valerie Ziegenfuss Match data
Feb 22, 1971* Fort Lauderdale WTA 250 QF Clay Rosie Casals 6-2 6-2 Valerie Ziegenfuss Match data
Sep 28, 1970* Houston WTA 250 QF Clay Rosie Casals 6-1 7-5 Valerie Ziegenfuss Match data
Sep 26, 1969* Los Angeles WTA 500 R16 Hard Rosie Casals 6-2 6-4 Valerie Ziegenfuss Match data
Jun 25, 1969* Wimbledon Grand Slam R128 Grass Rosie Casals 6-1 7-5 Valerie Ziegenfuss Match data
Jun 26, 1968* Wimbledon Grand Slam R128 Grass Rosie Casals 6-3 7-5 Valerie Ziegenfuss Match data

* Estimated match date where the exact historical date is unavailable.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 Finals 500 250 Titles
Rosie Casals #207 #55 — 2,203 594 322 64.8% 0 1 0 2 9 12
Valerie Ziegenfuss — — — 1,952 231 232 49.9% 0 0 0 0 3 3

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 Rosie Casals Valerie Ziegenfuss
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 1968 36–14 72.0% — 1,760 0 1 1968 35–24 59.3% — 1,586 0 0
20 1969 42–19 68.9% — 1,874 0 1 1969 28–24 53.8% — 1,715 0 1
21 1970 52–21 71.2% — 2,035 0 4 1970 40–28 58.8% — 1,776 0 2
22 1971 92–31 74.8% — 2,162 0 7 1971 23–29 44.2% — 1,796 0 3
23 1972 64–26 71.1% — 2,098 0 10 1972 26–24 52.0% — 1,829 0 3
24 1973 81–28 74.3% — 2,122 0 12 1973 33–29 53.2% — 1,759 0 3
25 1974 43–16 72.9% — 2,127 0 12 1974 12–14 46.2% — 1,786 0 3
26 1975 20–14 58.8% — 1,995 0 12 1975 16–16 50.0% — 1,822 0 3
27 1976 39–17 69.6% — 2,122 0 12 1976 12–20 37.5% — 1,742 0 3
28 1977 41–20 67.2% — 2,044 0 12 1977 2–12 14.3% — 1,674 0 3
29 1978 24–15 61.5% — 2,019 0 12 1978 3–11 21.4% — 1,651 0 3
30 1979 19–26 42.2% — 1,824 0 12 1979 1–1 50.0% — 1,664 0 3
31 1980 14–25 35.9% — 1,676 0 12 — — — — — — —
32 1981 12–14 46.2% — 1,692 0 12 — — — — — — —
33 1982 4–8 33.3% — 1,670 0 12 — — — — — — —
34 1983 9–12 42.9% — 1,662 0 12 — — — — — — —
35 1984 1–4 20.0% #172 1,610 0 12 — — — — — — —
36 1985 1–4 20.0% — 1,574 0 12 — — — — — — —
37 1986 0–2 0.0% #207 1,548 0 12 — — — — — — —
39 1988 0–2 0.0% — 1,523 0 12 — — — — — — —
40 1989 0–2 0.0% — 1,500 0 12 — — — — — — —
41 1990 0–1 0.0% — 1,491 0 12 — — — — — — —
42 1991 0–1 0.0% — 1,476 0 12 — — — — — — —