H2H data updated: 2026-07-19 14:15 UTC

Rosie Casals vs Mareen Louie Harper H2H: 1-0

Rosie Casals holds a 1–0 lead over Mareen Louie Harper in their WTA head-to-head. Across 1 main-draw meeting, Rosie Casals leads 1–0 on hard courts. Most recently, Rosie Casals won the 1981 Deerfield Beach fourth round 6-0 5-7 6-4.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Rosie Casals
USA Age 77 Right-Handed 159 cm / 5'3"
H2H
1 – 0
1 main draw meetings
Mareen Louie Harper
Age 65

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Oct 16, 1981* Deerfield Beach WTA 250 R16 Hard Rosie Casals 6-0 5-7 6-4 Mareen Louie Harper 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
Rosie Casals #207 #55 — 2,203 594 322 64.8% 0 1 0 2 9 12
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.

Age Rosie Casals Mareen Louie Harper
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
13 — — — — — — — 1974 2–1 66.7% — 1,523 0 0
15 — — — — — — — 1976 1–2 33.3% — 1,521 0 0
16 — — — — — — — 1977 0–2 0.0% — 1,519 0 0
17 — — — — — — — 1978 7–12 36.8% — 1,588 0 0
18 — — — — — — — 1979 4–13 23.5% — 1,567 0 0
19 1968 36–14 72.0% — 1,760 0 1 1980 22–23 48.9% — 1,715 0 0
20 1969 42–19 68.9% — 1,874 0 1 1981 16–20 44.4% — 1,743 0 0
21 1970 52–21 71.2% — 2,035 0 4 1982 9–18 33.3% — 1,654 0 0
22 1971 92–31 74.8% — 2,162 0 7 1983 7–10 41.2% — 1,670 0 0
23 1972 64–26 71.1% — 2,098 0 10 1984 18–17 51.4% — 1,733 0 1
24 1973 81–28 74.3% — 2,122 0 12 1985 29–18 61.7% — 1,777 0 2
25 1974 43–16 72.9% — 2,127 0 12 1986 12–17 41.4% — 1,680 0 2
26 1975 20–14 58.8% — 1,995 0 12 1987 9–16 36.0% — 1,625 0 2
27 1976 39–17 69.6% — 2,122 0 12 1988 12–17 41.4% — 1,614 0 2
28 1977 41–20 67.2% — 2,044 0 12 1989 6–14 30.0% — 1,577 0 2
29 1978 24–15 61.5% — 2,019 0 12 1990 10–15 40.0% — 1,591 0 2
30 1979 19–26 42.2% — 1,824 0 12 1991 12–16 42.9% — 1,615 0 2
31 1980 14–25 35.9% — 1,676 0 12 1992 1–7 12.5% — 1,546 0 2
32 1981 12–14 46.2% — 1,692 0 12 — — — — — — —
33 1982 4–8 33.3% — 1,670 0 12 1994 0–1 0.0% — 1,537 0 2
34 1983 9–12 42.9% — 1,662 0 12 — — — — — — —
35 1984 1–4 20.0% #172 1,610 0 12 — — — — — — —
36 1985 1–4 20.0% — 1,574 0 12 — — — — — — —
37 1986 0–2 0.0% #207 1,548 0 12 — — — — — — —
39 1988 0–2 0.0% — 1,523 0 12 — — — — — — —
40 1989 0–2 0.0% — 1,500 0 12 — — — — — — —
41 1990 0–1 0.0% — 1,491 0 12 — — — — — — —
42 1991 0–1 0.0% — 1,476 0 12 — — — — — — —