H2H data updated: 2026-07-19 02:51 UTC
Fiorella Bonicelli vs Valerie Ziegenfuss H2H: 2-1
Fiorella Bonicelli holds a 2–1 lead over Valerie Ziegenfuss in their WTA head-to-head. Across 3 main-draw meetings, Fiorella Bonicelli leads 2–1 on clay. Most recently, Valerie Ziegenfuss won the 1976 Toronto third round 6-2 7-5.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Aug 16, 1976 | Toronto | WTA 250 | R32 | Clay | Valerie Ziegenfuss | 6-2 7-5 | Fiorella Bonicelli | Match data |
| Jul 5, 1971* | Venice | WTA 250 | R32 | Clay | Fiorella Bonicelli | 6-4 6-3 | Valerie Ziegenfuss | Match data |
| Jul 25, 1969* | Indianapolis | WTA 250 | R16 | Clay | Fiorella Bonicelli | 8-6 6-1 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fiorella Bonicelli | — | — | — | 1,866 | 135 | 97 | 58.2% | 0 | 0 | 0 | 0 | 12 | 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 | Fiorella Bonicelli | Valerie Ziegenfuss | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | 1968 | 1–2 | 33.3% | — | 1,491 | 0 | 0 | — | — | — | — | — | — | — |
| 17 | 1969 | 11–8 | 57.9% | — | 1,594 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 1970 | 9–4 | 69.2% | — | 1,683 | 0 | 2 | — | — | — | — | — | — | — |
| 19 | 1971 | 12–10 | 54.5% | — | 1,693 | 0 | 6 | 1968 | 35–24 | 59.3% | — | 1,586 | 0 | 0 |
| 20 | 1972 | 26–16 | 61.9% | — | 1,792 | 0 | 9 | 1969 | 28–24 | 53.8% | — | 1,715 | 0 | 1 |
| 21 | 1973 | 24–11 | 68.6% | — | 1,840 | 0 | 11 | 1970 | 40–28 | 58.8% | — | 1,776 | 0 | 2 |
| 22 | 1974 | 6–4 | 60.0% | — | 1,800 | 0 | 11 | 1971 | 23–29 | 44.2% | — | 1,796 | 0 | 3 |
| 23 | 1975 | 12–13 | 48.0% | — | 1,775 | 0 | 12 | 1972 | 26–24 | 52.0% | — | 1,829 | 0 | 3 |
| 24 | 1976 | 14–8 | 63.6% | — | 1,776 | 0 | 12 | 1973 | 33–29 | 53.2% | — | 1,759 | 0 | 3 |
| 25 | 1977 | 9–10 | 47.4% | — | 1,763 | 0 | 12 | 1974 | 12–14 | 46.2% | — | 1,786 | 0 | 3 |
| 26 | 1978 | 10–9 | 52.6% | — | 1,745 | 0 | 12 | 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 | 1982 | 0–1 | 0.0% | — | 1,730 | 0 | 12 | 1979 | 1–1 | 50.0% | — | 1,664 | 0 | 3 |
| 32 | 1984 | 1–1 | 50.0% | — | 1,719 | 0 | 12 | — | — | — | — | — | — | — |