H2H data updated: 2026-07-19 14:15 UTC
Mary Lou Piatek vs Ilana Kloss H2H: 1-0
Mary Lou Piatek holds a 1–0 lead over Ilana Kloss 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 1979 US Open second round 6-3 6-2.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Aug 31, 1979* | US Open | Grand Slam | R64 | Hard | Mary Lou Piatek | 6-3 6-2 | Ilana Kloss | 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 |
| Ilana Kloss | — | — | — | 1,888 | 135 | 144 | 48.4% | 0 | 0 | 0 | 0 | 8 | 8 |
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 | Ilana Kloss | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1970 | 0–1 | 0.0% | — | 1,491 | 0 | 0 |
| 1979 | 3–5 | 37.5% | — | 1,546 | 0 | 0 | 1971 | 5–4 | 55.6% | — | 1,559 | 0 | 1 |
| 1980 | 16–12 | 57.1% | — | 1,737 | 0 | 0 | 1972 | 13–12 | 52.0% | — | 1,591 | 0 | 3 |
| 1981 | 30–22 | 57.7% | — | 1,873 | 0 | 1 | 1973 | 38–18 | 67.9% | — | 1,869 | 0 | 8 |
| 1982 | 18–21 | 46.2% | — | 1,792 | 0 | 1 | 1974 | 19–16 | 54.3% | — | 1,811 | 0 | 8 |
| 1983 | 12–20 | 37.5% | — | 1,721 | 0 | 1 | 1975 | 9–20 | 31.0% | — | 1,690 | 0 | 8 |
| 1984 | 18–20 | 47.4% | — | 1,703 | 0 | 2 | 1976 | 18–15 | 54.5% | — | 1,781 | 0 | 8 |
| 1985 | 14–18 | 43.8% | — | 1,678 | 0 | 2 | 1977 | 4–13 | 23.5% | — | 1,667 | 0 | 8 |
| 1986 | 8–15 | 34.8% | — | 1,619 | 0 | 2 | 1978 | 14–11 | 56.0% | — | 1,740 | 0 | 8 |
| 1987 | 6–12 | 33.3% | — | 1,594 | 0 | 2 | 1979 | 15–26 | 36.6% | — | 1,697 | 0 | 8 |
| 1988 | 6–16 | 27.3% | — | 1,542 | 0 | 2 | 1980 | 0–7 | 0.0% | — | 1,619 | 0 | 8 |
| 1989 | 7–15 | 31.8% | — | 1,593 | 0 | 2 | 1982 | 0–1 | 0.0% | — | 1,599 | 0 | 8 |
| 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 | — | — | — | — | — | — | — |