H2H data updated: 2026-07-19 14:15 UTC
Diane Desfor vs Mary Lou Piatek H2H: 0-1
Mary Lou Piatek holds a 1–0 lead over Diane Desfor in their WTA head-to-head. Across 1 main-draw meeting, Mary Lou Piatek leads 1–0 on hard courts. Most recently, Mary Lou Piatek won the 1981 San Diego third round 7-5 6-4.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jul 30, 1981* | San Diego | WTA 500 | R32 | Hard | Mary Lou Piatek | 7-5 6-4 | Diane Desfor | 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 Desfor | — | — | — | 1,796 | 69 | 89 | 43.7% | 0 | 0 | 0 | 0 | 2 | 2 |
| Mary Lou Piatek | — | — | — | 1,936 | 153 | 206 | 42.6% | 0 | 0 | 0 | 0 | 2 | 2 |
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 Desfor | Mary Lou Piatek | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1974 | 1–2 | 33.3% | — | 1,482 | 0 | 0 | 1978 | 0–1 | 0.0% | — | 1,499 | 0 | 0 |
| 1975 | 5–3 | 62.5% | — | 1,525 | 0 | 0 | 1979 | 3–5 | 37.5% | — | 1,546 | 0 | 0 |
| 1976 | 4–1 | 80.0% | — | 1,580 | 0 | 1 | 1980 | 16–12 | 57.1% | — | 1,737 | 0 | 0 |
| 1977 | 1–1 | 50.0% | — | 1,568 | 0 | 1 | 1981 | 30–22 | 57.7% | — | 1,873 | 0 | 1 |
| 1978 | 14–17 | 45.2% | — | 1,659 | 0 | 1 | 1982 | 18–21 | 46.2% | — | 1,792 | 0 | 1 |
| 1979 | 15–22 | 40.5% | — | 1,712 | 0 | 1 | 1983 | 12–20 | 37.5% | — | 1,721 | 0 | 1 |
| 1980 | 18–21 | 46.2% | — | 1,659 | 0 | 1 | 1984 | 18–20 | 47.4% | — | 1,703 | 0 | 2 |
| 1981 | 8–17 | 32.0% | — | 1,623 | 0 | 1 | 1985 | 14–18 | 43.8% | — | 1,678 | 0 | 2 |
| 1982 | 3–5 | 37.5% | — | 1,593 | 0 | 2 | 1986 | 8–15 | 34.8% | — | 1,619 | 0 | 2 |
| — | — | — | — | — | — | — | 1987 | 6–12 | 33.3% | — | 1,594 | 0 | 2 |
| — | — | — | — | — | — | — | 1988 | 6–16 | 27.3% | — | 1,542 | 0 | 2 |
| — | — | — | — | — | — | — | 1989 | 7–15 | 31.8% | — | 1,593 | 0 | 2 |
| — | — | — | — | — | — | — | 1990 | 8–11 | 42.1% | — | 1,612 | 0 | 2 |
| — | — | — | — | — | — | — | 1991 | 5–8 | 38.5% | — | 1,630 | 0 | 2 |
| — | — | — | — | — | — | — | 1992 | 1–8 | 11.1% | — | 1,560 | 0 | 2 |
| — | — | — | — | — | — | — | 1993 | 1–2 | 33.3% | — | 1,555 | 0 | 2 |