Mary Lou Piatek
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Sylvia Hanika | 5 | 5 | 10 | Mar 31, 1990 | H2H |
| Betsy Nagelsen | 8 | 1 | 9 | Sep 26, 1986 | H2H |
| Anne Smith | 1 | 7 | 8 | Feb 14, 1991 | H2H |
| Martina Navratilova | 0 | 8 | 8 | Dec 2, 1984 | H2H |
| Wendy White | 4 | 2 | 6 | Feb 22, 1990 | H2H |
H2H data updated: 2026-10-29 00:00 UTC
Regina Marsikova holds a 2–0 lead over Mary Lou Piatek in their WTA head-to-head. Across 2 main-draw meetings, Regina Marsikova leads 1–0 on clay and 1–0 on hard courts. Most recently, Regina Marsikova won the 1981 Roland Garros round of 32 2-6 7-5 7-5.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Regina Marsikova | 2-6 7-5 7-5 | Mary Lou Piatek | Match data | May 31, 1981* | R32 | Roland Garros | Grand Slam | Clay |
| Regina Marsikova | 7-5 6-4 | Mary Lou Piatek | Match data | Oct 17, 1980* | R16 | Deerfield Beach | WTA 250 | Hard |
Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mary Lou Piatek | — | — | — | 1,938 | 157 | 207 | 43.1% | 0 | 0 | 0 | 0 | 2 | 2 |
| Regina Marsikova | — | — | — | 2,036 | 266 | 198 | 57.3% | 0 | 0 | 0 | 2 | 13 | 15 |
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 | Regina Marsikova | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 0–2 | 0.0% | — | 1,499 | 0 | 0 |
| 1979 | 3–5 | 37.5% | — | 1,547 | 0 | 0 | 1975 | 5–5 | 50.0% | — | 1,581 | 0 | 0 |
| 1980 | 20–13 | 60.6% | — | 1,762 | 0 | 0 | 1976 | 17–15 | 53.1% | — | 1,748 | 0 | 1 |
| 1981 | 30–22 | 57.7% | — | 1,874 | 0 | 1 | 1977 | 37–17 | 68.5% | — | 1,907 | 0 | 8 |
| 1982 | 18–21 | 46.2% | — | 1,793 | 0 | 1 | 1978 | 56–30 | 65.1% | — | 1,953 | 0 | 12 |
| 1983 | 12–20 | 37.5% | — | 1,721 | 0 | 1 | 1979 | 38–24 | 61.3% | — | 1,938 | 0 | 12 |
| 1984 | 18–20 | 47.4% | — | 1,704 | 0 | 2 | 1980 | 33–22 | 60.0% | — | 1,902 | 0 | 14 |
| 1985 | 14–18 | 43.8% | — | 1,678 | 0 | 2 | 1981 | 34–16 | 68.0% | — | 1,998 | 0 | 15 |
| 1986 | 8–15 | 34.8% | — | 1,618 | 0 | 2 | 1985 | 12–16 | 42.9% | — | 1,764 | 0 | 15 |
| 1987 | 6–12 | 33.3% | — | 1,594 | 0 | 2 | 1986 | 15–19 | 44.1% | — | 1,720 | 0 | 15 |
| 1988 | 6–16 | 27.3% | — | 1,542 | 0 | 2 | 1987 | 14–19 | 42.4% | — | 1,672 | 0 | 15 |
| 1989 | 7–15 | 31.8% | — | 1,592 | 0 | 2 | 1988 | 4–7 | 36.4% | — | 1,605 | 0 | 15 |
| 1990 | 8–11 | 42.1% | — | 1,611 | 0 | 2 | 1989 | 1–6 | 14.3% | — | 1,541 | 0 | 15 |
| 1991 | 5–8 | 38.5% | — | 1,629 | 0 | 2 | — | — | — | — | — | — | — |
| 1992 | 1–8 | 11.1% | — | 1,560 | 0 | 2 | — | — | — | — | — | — | — |
| 1993 | 1–2 | 33.3% | — | 1,554 | 0 | 2 | — | — | — | — | — | — | — |
Rows are aligned in career order because complete birth data is unavailable. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.
| Mary Lou Piatek | Regina Marsikova | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | ||||||||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1978 | — | — | — | — | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% | 1974 | — | — | — | — | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 1979 | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | 2 | 3 | 5 | 40.0% | 1975 | 0 | 1 | 1 | 0.0% | 3 | 2 | 5 | 60.0% | — | — | — | — | 2 | 2 | 4 | 50.0% |
| 1980 | 5 | 3 | 8 | 62.5% | 3 | 1 | 4 | 75.0% | 0 | 2 | 2 | 0.0% | 12 | 7 | 19 | 63.2% | 1976 | — | — | — | — | 15 | 7 | 22 | 68.2% | 1 | 2 | 3 | 33.3% | 1 | 6 | 7 | 14.3% |
| 1981 | 15 | 5 | 20 | 75.0% | 6 | 4 | 10 | 60.0% | 4 | 6 | 10 | 40.0% | 5 | 7 | 12 | 41.7% | 1977 | 0 | 1 | 1 | 0.0% | 25 | 5 | 30 | 83.3% | 9 | 6 | 15 | 60.0% | 2 | 5 | 7 | 28.6% |
| 1982 | 4 | 5 | 9 | 44.4% | 0 | 3 | 3 | 0.0% | 1 | 2 | 3 | 33.3% | 13 | 11 | 24 | 54.2% | 1978 | 17 | 10 | 27 | 63.0% | 21 | 4 | 25 | 84.0% | 13 | 4 | 17 | 76.5% | 5 | 11 | 16 | 31.3% |
| 1983 | 5 | 6 | 11 | 45.5% | 1 | 4 | 5 | 20.0% | 0 | 2 | 2 | 0.0% | 6 | 8 | 14 | 42.9% | 1979 | 12 | 7 | 19 | 63.2% | 17 | 7 | 24 | 70.8% | 6 | 4 | 10 | 60.0% | 3 | 6 | 9 | 33.3% |
| 1984 | 9 | 8 | 17 | 52.9% | 0 | 1 | 1 | 0.0% | 5 | 6 | 11 | 45.5% | 4 | 5 | 9 | 44.4% | 1980 | 15 | 7 | 22 | 68.2% | 10 | 4 | 14 | 71.4% | 0 | 2 | 2 | 0.0% | 8 | 9 | 17 | 47.1% |
| 1985 | 7 | 11 | 18 | 38.9% | 2 | 1 | 3 | 66.7% | 1 | 2 | 3 | 33.3% | 4 | 4 | 8 | 50.0% | 1981 | 8 | 4 | 12 | 66.7% | 25 | 9 | 34 | 73.5% | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% |
| 1986 | 5 | 5 | 10 | 50.0% | 0 | 2 | 2 | 0.0% | 1 | 2 | 3 | 33.3% | 2 | 6 | 8 | 25.0% | 1985 | 4 | 6 | 10 | 40.0% | 8 | 6 | 14 | 57.1% | 0 | 3 | 3 | 0.0% | 0 | 1 | 1 | 0.0% |
| 1987 | 3 | 5 | 8 | 37.5% | 0 | 2 | 2 | 0.0% | 0 | 2 | 2 | 0.0% | 3 | 3 | 6 | 50.0% | 1986 | 7 | 8 | 15 | 46.7% | 7 | 8 | 15 | 46.7% | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% |
| 1988 | 4 | 9 | 13 | 30.8% | 1 | 4 | 5 | 20.0% | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% | 1987 | 2 | 3 | 5 | 40.0% | 8 | 10 | 18 | 44.4% | 3 | 4 | 7 | 42.9% | 1 | 2 | 3 | 33.3% |
| 1989 | 7 | 9 | 16 | 43.8% | 0 | 3 | 3 | 0.0% | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | 1988 | 0 | 1 | 1 | 0.0% | 4 | 6 | 10 | 40.0% | — | — | — | — | — | — | — | — |
| 1990 | 4 | 5 | 9 | 44.4% | 3 | 3 | 6 | 50.0% | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% | 1989 | 0 | 1 | 1 | 0.0% | 1 | 5 | 6 | 16.7% | — | — | — | — | — | — | — | — |
| 1991 | 5 | 5 | 10 | 50.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1992 | 0 | 6 | 6 | 0.0% | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1993 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 75 | 85 | 160 | 46.9% | 17 | 32 | 49 | 34.7% | 12 | 29 | 41 | 29.3% | 53 | 61 | 114 | 46.5% | Career | 65 | 49 | 114 | 57.0% | 144 | 74 | 218 | 66.1% | 32 | 28 | 60 | 53.3% | 24 | 46 | 70 | 34.3% |
Rows are aligned in career order because complete birth data is unavailable. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Mary Lou Piatek | Regina Marsikova | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
| 1978 | 1499 | 106.9 | — | — | — | — | — | — | — | 0.0% | -3.50 | — | — | — | -0.11 | 1974 | 1500 | 116.5 | — | — | — | — | — | — | — | 0.0% | -3.50 | — | — | — | -0.30 |
| 1979 | 1547 | 118.3 | — | — | — | — | +98 | — | — | 42.1% | -0.89 | 1–2 (33%) | 0–1 | — | +0.12 | 1975 | 1582 | 125.6 | — | — | — | — | +75 | +3 | — | 50.0% | +0.04 | 3–3 (50%) | 2–0 | — | 0.00 |
| 1980 | 1763 | 137.4 | — | — | — | — | +9 | -186 | — | 57.7% | +0.61 | 4–3 (57%) | 3–0 (100%) | — | +0.65 | 1976 | 1748 | 142.5 | — | — | — | — | -178 | +62 | -175 | 51.3% | +0.34 | 7–7 (50%) | 1–8 (11%) | 97.4 | -1.71 |
| 1981 | 1875 | 146.3 | — | — | — | — | +65 | -198 | -301 | 56.7% | +0.48 | 8–10 (44%) | 6–5 (55%) | 100.9 | -2.75 | 1977 | 1908 | 143.3 | — | — | — | — | -346 | +115 | -246 | 62.5% | +0.85 | 14–6 (70%) | 5–4 (56%) | 108.7 | +0.40 |
| 1982 | 1794 | 142.2 | — | — | — | — | +59 | -196 | -212 | 47.1% | -0.08 | 4–5 (44%) | 2–3 (40%) | 96.6 | -0.89 | 1978 | 1953 | 158.0 | — | — | — | — | -97 | +117 | -135 | 64.0% | +0.95 | 12–9 (57%) | 8–6 (57%) | 108.6 | -6.67 |
| 1983 | 1722 | 143.9 | — | — | — | — | +55 | -87 | — | 41.3% | -0.43 | 4–7 (36%) | 0–5 (0%) | 91.3 | -4.11 | 1979 | 1938 | 147.7 | — | — | — | — | -80 | +153 | -92 | 60.4% | +0.53 | 11–8 (58%) | 12–8 (60%) | 103.7 | -2.57 |
| 1984 | 1704 | 128.6 | — | — | — | — | -14 | — | -70 | 47.7% | -0.47 | 5–5 (50%) | 4–3 (57%) | 100.9 | -0.88 | 1980 | 1902 | 147.9 | — | — | — | — | -21 | +194 | — | 56.1% | +0.38 | 8–6 (57%) | 6–4 (60%) | 100.5 | -6.24 |
| 1985 | 1678 | 113.9 | — | — | — | — | -28 | -65 | -67 | 43.1% | -0.61 | 5–3 (63%) | 1–3 (25%) | 100.7 | +1.98 | 1981 | 1999 | 159.4 | — | — | — | — | -116 | +183 | — | 63.3% | +0.90 | 10–3 (77%) | 2–2 (50%) | 103.0 | -5.46 |
| 1986 | 1619 | 111.1 | — | — | — | — | +10 | — | -25 | 38.5% | -0.67 | 2–4 (33%) | 0–3 (0%) | 95.5 | +1.45 | 1985 | 1765 | 131.6 | — | — | — | — | +5 | +293 | -79 | 49.2% | -0.07 | 0–5 (0%) | 6–2 (75%) | 94.5 | -2.24 |
| 1987 | 1595 | 117.3 | — | — | — | — | +33 | — | — | 35.7% | -0.78 | 3–3 (50%) | 0–1 | — | +0.12 | 1986 | 1720 | 127.0 | — | — | — | — | +3 | +191 | — | 41.8% | -0.58 | 8–3 (73%) | 3–2 (60%) | 103.4 | -2.14 |
| 1988 | 1543 | 116.2 | — | — | — | — | +33 | -44 | — | 30.8% | -1.31 | 4–4 (50%) | 0–2 | — | -0.58 | 1987 | 1673 | 129.0 | — | — | — | — | +35 | +91 | -19 | 46.1% | -0.37 | 5–7 (42%) | 4–5 (44%) | 95.0 | -2.64 |
| 1989 | 1593 | 121.4 | — | — | — | — | +35 | -117 | — | 31.4% | -1.65 | 5–2 (71%) | 4–2 (67%) | 107.3 | -2.73 | 1988 | 1606 | 99.5 | — | — | — | — | — | +86 | — | 33.3% | -2.00 | 2–0 | 1–0 | — | +0.61 |
| 1990 | 1612 | 125.3 | — | — | — | — | +7 | -86 | — | 43.9% | -0.63 | 1–2 (33%) | 0–2 | — | -0.44 | 1989 | 1541 | 97.0 | — | — | — | — | — | +71 | — | 14.3% | -2.21 | — | 0–1 | — | +0.26 |
| 1991 | 1630 | 119.5 | — | — | — | — | +17 | — | — | 41.4% | -0.31 | 1–2 (33%) | 0–2 | — | -0.69 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1992 | 1560 | 101.4 | — | — | — | — | -16 | — | — | 23.8% | -2.00 | 0–3 (0%) | 0–2 | — | -0.39 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1993 | 1555 | 103.2 | — | — | — | — | -21 | — | — | 42.9% | -0.71 | 0–1 | 1–0 | — | -0.16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1938 | 136.6 | — | — | — | — | +26 | -129 | -156 | 44.3% | -0.42 | 47–56 (46%) | 21–34 (38%) | 92.7 | -2.59 | Career | 2036 | 150.6 | — | — | — | — | -67 | +139 | -142 | 55.7% | +0.35 | 80–57 (58%) | 50–42 (54%) | 107.3 | -6.31 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Sylvia Hanika | 5 | 5 | 10 | Mar 31, 1990 | H2H |
| Betsy Nagelsen | 8 | 1 | 9 | Sep 26, 1986 | H2H |
| Anne Smith | 1 | 7 | 8 | Feb 14, 1991 | H2H |
| Martina Navratilova | 0 | 8 | 8 | Dec 2, 1984 | H2H |
| Wendy White | 4 | 2 | 6 | Feb 22, 1990 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Chris Evert | 0 | 14 | 14 | Oct 15, 1987 | H2H |
| Mima Jausovec | 4 | 7 | 11 | May 23, 1981 | H2H |
| Evonne Goolagong | 3 | 8 | 11 | Aug 9, 1980 | H2H |
| Virginia Ruzici | 4 | 5 | 9 | Aug 23, 1985 | H2H |
| Sylvia Hanika | 3 | 6 | 9 | Aug 28, 1981 | H2H |