H2H data updated: 2026-07-19 14:15 UTC
Valerie Ziegenfuss vs Jill Cooper H2H: 1-0
Valerie Ziegenfuss holds a 1–0 lead over Jill Cooper 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 1972 Denver quarterfinal 7-5 6-2.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Aug 19, 1972* | Denver | WTA 250 | QF | Hard | Valerie Ziegenfuss | 7-5 6-2 | Jill Cooper | 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 |
| Jill Cooper | — | — | — | 1,829 | 106 | 86 | 55.2% | 0 | 0 | 0 | 0 | 5 | 5 |
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 | Valerie Ziegenfuss | Jill Cooper | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 19 | 1968 | 35–24 | 59.3% | — | 1,586 | 0 | 0 | 1968 | 8–11 | 42.1% | — | 1,503 | 0 | 0 |
| 20 | 1969 | 28–24 | 53.8% | — | 1,715 | 0 | 1 | 1969 | 15–16 | 48.4% | — | 1,565 | 0 | 0 |
| 21 | 1970 | 40–28 | 58.8% | — | 1,776 | 0 | 2 | 1970 | 18–16 | 52.9% | — | 1,637 | 0 | 1 |
| 22 | 1971 | 23–29 | 44.2% | — | 1,796 | 0 | 3 | 1971 | 36–19 | 65.5% | — | 1,747 | 0 | 3 |
| 23 | 1972 | 26–24 | 52.0% | — | 1,829 | 0 | 3 | 1972 | 21–18 | 53.8% | — | 1,768 | 0 | 4 |
| 24 | 1973 | 33–29 | 53.2% | — | 1,759 | 0 | 3 | 1973 | 8–6 | 57.1% | — | 1,801 | 0 | 5 |
| 25 | 1974 | 12–14 | 46.2% | — | 1,786 | 0 | 3 | — | — | — | — | — | — | — |
| 26 | 1975 | 16–16 | 50.0% | — | 1,822 | 0 | 3 | — | — | — | — | — | — | — |
| 27 | 1976 | 12–20 | 37.5% | — | 1,742 | 0 | 3 | — | — | — | — | — | — | — |
| 28 | 1977 | 2–12 | 14.3% | — | 1,674 | 0 | 3 | — | — | — | — | — | — | — |
| 29 | 1978 | 3–11 | 21.4% | — | 1,651 | 0 | 3 | — | — | — | — | — | — | — |
| 30 | 1979 | 1–1 | 50.0% | — | 1,664 | 0 | 3 | — | — | — | — | — | — | — |