H2H data updated: 2026-07-19 14:15 UTC
Valerie Ziegenfuss vs Sue Stap H2H: 0-1
Sue Stap holds a 1–0 lead over Valerie Ziegenfuss in their WTA head-to-head. Across 1 main-draw meeting, Sue Stap leads 1–0 on hard courts. Most recently, Sue Stap won the 1975 San Francisco third round 5-7 6-0 6- 4.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jan 9, 1975* | San Francisco | WTA 250 | R32 | Hard | Sue Stap | 5-7 6-0 6- 4 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valerie Ziegenfuss | — | — | — | 1,952 | 231 | 232 | 49.9% | 0 | 0 | 0 | 0 | 3 | 3 |
| Sue Stap | — | — | — | 1,722 | 42 | 78 | 35.0% | 0 | 0 | 0 | 0 | 1 | 1 |
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 | Sue Stap | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 15 | — | — | — | — | — | — | — | 1969 | 0–1 | 0.0% | — | 1,496 | 0 | 0 |
| 16 | — | — | — | — | — | — | — | 1970 | 5–6 | 45.5% | — | 1,520 | 0 | 0 |
| 17 | — | — | — | — | — | — | — | 1971 | 2–5 | 28.6% | — | 1,502 | 0 | 0 |
| 18 | — | — | — | — | — | — | — | 1972 | 7–5 | 58.3% | — | 1,584 | 0 | 0 |
| 19 | 1968 | 35–24 | 59.3% | — | 1,586 | 0 | 0 | 1973 | 12–17 | 41.4% | — | 1,591 | 0 | 0 |
| 20 | 1969 | 28–24 | 53.8% | — | 1,715 | 0 | 1 | 1974 | 8–14 | 36.4% | — | 1,613 | 0 | 1 |
| 21 | 1970 | 40–28 | 58.8% | — | 1,776 | 0 | 2 | 1975 | 8–13 | 38.1% | — | 1,681 | 0 | 1 |
| 22 | 1971 | 23–29 | 44.2% | — | 1,796 | 0 | 3 | 1976 | 0–12 | 0.0% | — | 1,534 | 0 | 1 |
| 23 | 1972 | 26–24 | 52.0% | — | 1,829 | 0 | 3 | 1977 | 0–2 | 0.0% | — | 1,521 | 0 | 1 |
| 24 | 1973 | 33–29 | 53.2% | — | 1,759 | 0 | 3 | 1978 | 0–2 | 0.0% | — | 1,488 | 0 | 1 |
| 25 | 1974 | 12–14 | 46.2% | — | 1,786 | 0 | 3 | 1979 | 0–1 | 0.0% | — | 1,483 | 0 | 1 |
| 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 | — | — | — | — | — | — | — |