H2H data updated: 2026-07-19 14:15 UTC
Diane James vs Kazuko Sawamatsu H2H: 0-1
Kazuko Sawamatsu holds a 1–0 lead over Diane James in their WTA head-to-head. Across 1 main-draw meeting, Kazuko Sawamatsu leads 1–0 on grass. Most recently, Kazuko Sawamatsu won the 1971 Melbourne second round 6-2 6-2.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jan 27, 1971* | Melbourne | WTA 250 | R64 | Grass | Kazuko Sawamatsu | 6-2 6-2 | Diane James | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diane James | — | — | — | 1,500 | 0 | 3 | 0.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| 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.
| Diane James | Kazuko Sawamatsu | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1971 | 0–1 | 0.0% | — | 1,494 | 0 | 0 | 1968 | 9–6 | 60.0% | — | 1,551 | 0 | 2 |
| 1972 | 0–1 | 0.0% | — | 1,484 | 0 | 0 | 1969 | 16–8 | 66.7% | — | 1,671 | 0 | 3 |
| 1973 | 0–1 | 0.0% | — | 1,469 | 0 | 0 | 1970 | 12–9 | 57.1% | — | 1,713 | 0 | 4 |
| — | — | — | — | — | — | — | 1971 | 18–10 | 64.3% | — | 1,799 | 0 | 5 |
| — | — | — | — | — | — | — | 1972 | 28–15 | 65.1% | — | 1,853 | 0 | 8 |
| — | — | — | — | — | — | — | 1973 | 38–21 | 64.4% | — | 1,823 | 0 | 8 |
| — | — | — | — | — | — | — | 1974 | 37–20 | 64.9% | — | 1,898 | 0 | 10 |
| — | — | — | — | — | — | — | 1975 | 23–10 | 69.7% | — | 1,952 | 0 | 11 |