H2H data updated: 2026-07-19 08:25 UTC
Kazuko Sawamatsu vs Valerie Ziegenfuss H2H: 2-0
Kazuko Sawamatsu holds a 2–0 lead over Valerie Ziegenfuss in their WTA head-to-head. Across 2 main-draw meetings, Kazuko Sawamatsu leads 1–0 on clay and 1–0 on grass. Most recently, Kazuko Sawamatsu won the 1970 Montana quarterfinal 6-1 4-6 6-2.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jul 25, 1970* | Montana | WTA 250 | QF | Clay | Kazuko Sawamatsu | 6-1 4-6 6-2 | Valerie Ziegenfuss | Match data |
| Jun 17, 1970* | Queen's Club | WTA 250 | R64 | Grass | Kazuko Sawamatsu | 6-0 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kazuko Sawamatsu | — | — | — | 1,952 | 181 | 99 | 64.6% | 0 | 0 | 0 | 1 | 10 | 11 |
| 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 | Kazuko Sawamatsu | Valerie Ziegenfuss | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 1968 | 9–6 | 60.0% | — | 1,551 | 0 | 2 | — | — | — | — | — | — | — |
| 18 | 1969 | 16–8 | 66.7% | — | 1,671 | 0 | 3 | — | — | — | — | — | — | — |
| 19 | 1970 | 12–9 | 57.1% | — | 1,713 | 0 | 4 | 1968 | 35–24 | 59.3% | — | 1,586 | 0 | 0 |
| 20 | 1971 | 18–10 | 64.3% | — | 1,799 | 0 | 5 | 1969 | 28–24 | 53.8% | — | 1,715 | 0 | 1 |
| 21 | 1972 | 28–15 | 65.1% | — | 1,853 | 0 | 8 | 1970 | 40–28 | 58.8% | — | 1,776 | 0 | 2 |
| 22 | 1973 | 38–21 | 64.4% | — | 1,823 | 0 | 8 | 1971 | 23–29 | 44.2% | — | 1,796 | 0 | 3 |
| 23 | 1974 | 37–20 | 64.9% | — | 1,898 | 0 | 10 | 1972 | 26–24 | 52.0% | — | 1,829 | 0 | 3 |
| 24 | 1975 | 23–10 | 69.7% | — | 1,952 | 0 | 11 | 1973 | 33–29 | 53.2% | — | 1,759 | 0 | 3 |
| 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 |