H2H data updated: 2026-07-18 14:16 UTC
Valerie Ziegenfuss vs Carolyn Ishii H2H: 1-0
Valerie Ziegenfuss holds a 1–0 lead over Carolyn Ishii in their WTA head-to-head. Across 1 main-draw meeting, Valerie Ziegenfuss leads 1–0 on hard courts. Most recently, Valerie Ziegenfuss won the 1970 Sacramento quarterfinal 6-3 6-2.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| May 9, 1970* | Sacramento | WTA 250 | QF | Hard | Valerie Ziegenfuss | 6-3 6-2 | Carolyn Ishii | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valerie Ziegenfuss | — | — | — | 1,952 | 231 | 232 | 49.9% | 0 | 0 | 0 | 0 | 3 | 3 |
| Carolyn Ishii | — | — | — | 1,526 | 1 | 1 | 50.0% | 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.
| Valerie Ziegenfuss | Carolyn Ishii | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 35–24 | 59.3% | — | 1,586 | 0 | 0 | 1970 | 1–1 | 50.0% | — | 1,519 | 0 | 0 |
| 1969 | 28–24 | 53.8% | — | 1,715 | 0 | 1 | — | — | — | — | — | — | — |
| 1970 | 40–28 | 58.8% | — | 1,776 | 0 | 2 | — | — | — | — | — | — | — |
| 1971 | 23–29 | 44.2% | — | 1,796 | 0 | 3 | — | — | — | — | — | — | — |
| 1972 | 26–24 | 52.0% | — | 1,829 | 0 | 3 | — | — | — | — | — | — | — |
| 1973 | 33–29 | 53.2% | — | 1,759 | 0 | 3 | — | — | — | — | — | — | — |
| 1974 | 12–14 | 46.2% | — | 1,786 | 0 | 3 | — | — | — | — | — | — | — |
| 1975 | 16–16 | 50.0% | — | 1,822 | 0 | 3 | — | — | — | — | — | — | — |
| 1976 | 12–20 | 37.5% | — | 1,742 | 0 | 3 | — | — | — | — | — | — | — |
| 1977 | 2–12 | 14.3% | — | 1,674 | 0 | 3 | — | — | — | — | — | — | — |
| 1978 | 3–11 | 21.4% | — | 1,651 | 0 | 3 | — | — | — | — | — | — | — |
| 1979 | 1–1 | 50.0% | — | 1,664 | 0 | 3 | — | — | — | — | — | — | — |