H2H data updated: 2026-07-19 14:15 UTC
Mary Lou Piatek vs Karen Schimper H2H: 1-0
Mary Lou Piatek holds a 1–0 lead over Karen Schimper 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 1987 Key Biscayne first round 6-2 6-4.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Feb 24, 1987* | Key Biscayne | WTA 250 | R128 | Hard | Mary Lou Piatek | 6-2 6-4 | Karen Schimper | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mary Lou Piatek | — | — | — | 1,936 | 153 | 206 | 42.6% | 0 | 0 | 0 | 0 | 2 | 2 |
| Karen Schimper | #486 | #75 | 11 | 1,651 | 24 | 43 | 35.8% | 0 | 0 | 0 | 0 | 0 | 0 |
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.
| Mary Lou Piatek | Karen Schimper | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1978 | 0–1 | 0.0% | — | 1,499 | 0 | 0 | 1987 | 6–12 | 33.3% | #102 | 1,528 | 0 | 0 |
| 1979 | 3–5 | 37.5% | — | 1,546 | 0 | 0 | 1988 | 13–19 | 40.6% | #93 | 1,580 | 0 | 0 |
| 1980 | 16–12 | 57.1% | — | 1,737 | 0 | 0 | 1989 | 5–10 | 33.3% | #147 | 1,588 | 0 | 0 |
| 1981 | 30–22 | 57.7% | — | 1,873 | 0 | 1 | 1990 | 0–2 | 0.0% | #470 | 1,564 | 0 | 0 |
| 1982 | 18–21 | 46.2% | — | 1,792 | 0 | 1 | — | — | — | — | — | — | — |
| 1983 | 12–20 | 37.5% | — | 1,721 | 0 | 1 | — | — | — | — | — | — | — |
| 1984 | 18–20 | 47.4% | — | 1,703 | 0 | 2 | — | — | — | — | — | — | — |
| 1985 | 14–18 | 43.8% | — | 1,678 | 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 | — | — | — | — | — | — | — |