H2H data updated: 2026-07-19 02:51 UTC
Kathleen Harter vs Kazuko Sawamatsu H2H: 0-1
Kazuko Sawamatsu holds a 1–0 lead over Kathleen Harter in their WTA head-to-head. They have met 1 times in main draws. Most recently, Kazuko Sawamatsu won the 1970 Osaka final 6-3 7-5.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Nov 8, 1970* | Osaka | WTA 250 | F | — | Kazuko Sawamatsu | 6-3 7-5 | Kathleen Harter | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kathleen Harter | — | — | — | 1,748 | 106 | 103 | 50.7% | 0 | 0 | 0 | 0 | 2 | 2 |
| Kazuko Sawamatsu | — | — | — | 1,952 | 181 | 99 | 64.6% | 0 | 0 | 0 | 1 | 10 | 11 |
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 | Kathleen Harter | Kazuko Sawamatsu | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 20 | — | — | — | — | — | — | — | 1971 | 18–10 | 64.3% | — | 1,799 | 0 | 5 |
| 21 | 1968 | 40–22 | 64.5% | — | 1,692 | 0 | 0 | 1972 | 28–15 | 65.1% | — | 1,853 | 0 | 8 |
| 22 | 1969 | 1–1 | 50.0% | — | 1,687 | 0 | 0 | 1973 | 38–21 | 64.4% | — | 1,823 | 0 | 8 |
| 23 | 1970 | 23–20 | 53.5% | — | 1,679 | 0 | 0 | 1974 | 37–20 | 64.9% | — | 1,898 | 0 | 10 |
| 24 | 1971 | 9–2 | 81.8% | — | 1,734 | 0 | 2 | 1975 | 23–10 | 69.7% | — | 1,952 | 0 | 11 |
| 27 | 1974 | 4–5 | 44.4% | — | 1,731 | 0 | 2 | — | — | — | — | — | — | — |
| 28 | 1975 | 6–8 | 42.9% | — | 1,665 | 0 | 2 | — | — | — | — | — | — | — |
| 29 | 1976 | 9–16 | 36.0% | — | 1,614 | 0 | 2 | — | — | — | — | — | — | — |
| 30 | 1977 | 12–20 | 37.5% | — | 1,644 | 0 | 2 | — | — | — | — | — | — | — |
| 31 | 1978 | 2–9 | 18.2% | — | 1,592 | 0 | 2 | — | — | — | — | — | — | — |