H2H data updated: 2026-07-19 02:51 UTC
Mary Lou Piatek vs Mareen Louie Harper H2H: 0-3
Mareen Louie Harper holds a 3–0 lead over Mary Lou Piatek in their WTA head-to-head. Across 3 main-draw meetings, Mareen Louie Harper leads 1–0 on carpet and 1–0 on clay. Most recently, Mareen Louie Harper won the 1985 Hershey third round 6-4 6-3.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Feb 28, 1985* | Hershey | WTA 250 | R32 | Hard | Mareen Louie Harper | 6-4 6-3 | Mary Lou Piatek | Match data |
| Apr 22, 1982* | Amelia Island | WTA 250 | R32 | Clay | Mareen Louie Harper | 1-6 6-3 6-4 | Mary Lou Piatek | Match data |
| Dec 19, 1980* | Tucson | WTA 250 | R16 | Carpet | Mareen Louie Harper | 6-4 7-5 | Mary Lou Piatek | 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 |
| Mareen Louie Harper | — | — | — | 1,911 | 177 | 239 | 42.5% | 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.
| Mary Lou Piatek | Mareen Louie Harper | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1974 | 2–1 | 66.7% | — | 1,523 | 0 | 0 |
| 1979 | 3–5 | 37.5% | — | 1,546 | 0 | 0 | 1976 | 1–2 | 33.3% | — | 1,521 | 0 | 0 |
| 1980 | 16–12 | 57.1% | — | 1,737 | 0 | 0 | 1977 | 0–2 | 0.0% | — | 1,519 | 0 | 0 |
| 1981 | 30–22 | 57.7% | — | 1,873 | 0 | 1 | 1978 | 7–12 | 36.8% | — | 1,588 | 0 | 0 |
| 1982 | 18–21 | 46.2% | — | 1,792 | 0 | 1 | 1979 | 4–13 | 23.5% | — | 1,567 | 0 | 0 |
| 1983 | 12–20 | 37.5% | — | 1,721 | 0 | 1 | 1980 | 22–23 | 48.9% | — | 1,715 | 0 | 0 |
| 1984 | 18–20 | 47.4% | — | 1,703 | 0 | 2 | 1981 | 16–20 | 44.4% | — | 1,743 | 0 | 0 |
| 1985 | 14–18 | 43.8% | — | 1,678 | 0 | 2 | 1982 | 9–18 | 33.3% | — | 1,654 | 0 | 0 |
| 1986 | 8–15 | 34.8% | — | 1,619 | 0 | 2 | 1983 | 7–10 | 41.2% | — | 1,670 | 0 | 0 |
| 1987 | 6–12 | 33.3% | — | 1,594 | 0 | 2 | 1984 | 18–17 | 51.4% | — | 1,733 | 0 | 1 |
| 1988 | 6–16 | 27.3% | — | 1,542 | 0 | 2 | 1985 | 29–18 | 61.7% | — | 1,777 | 0 | 2 |
| 1989 | 7–15 | 31.8% | — | 1,593 | 0 | 2 | 1986 | 12–17 | 41.4% | — | 1,680 | 0 | 2 |
| 1990 | 8–11 | 42.1% | — | 1,612 | 0 | 2 | 1987 | 9–16 | 36.0% | — | 1,625 | 0 | 2 |
| 1991 | 5–8 | 38.5% | — | 1,630 | 0 | 2 | 1988 | 12–17 | 41.4% | — | 1,614 | 0 | 2 |
| 1992 | 1–8 | 11.1% | — | 1,560 | 0 | 2 | 1989 | 6–14 | 30.0% | — | 1,577 | 0 | 2 |
| 1993 | 1–2 | 33.3% | — | 1,555 | 0 | 2 | 1990 | 10–15 | 40.0% | — | 1,591 | 0 | 2 |
| — | — | — | — | — | — | — | 1991 | 12–16 | 42.9% | — | 1,615 | 0 | 2 |
| — | — | — | — | — | — | — | 1992 | 1–7 | 12.5% | — | 1,546 | 0 | 2 |
| — | — | — | — | — | — | — | 1994 | 0–1 | 0.0% | — | 1,537 | 0 | 2 |