H2H data updated: 2026-07-19 02:51 UTC

Rosie Casals vs Mona Guerrant H2H: 4-2

Rosie Casals holds a 4–2 lead over Mona Guerrant in their WTA head-to-head. Across 6 main-draw meetings, Rosie Casals leads 3–0 on carpet, while they are tied 1–1 on clay. Most recently, Rosie Casals won the 1978 Houston fourth round 4-6 6-1 6-3.

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Rosie Casals
USA Age 77 Right-Handed 159 cm / 5'3"
H2H
4 – 2
6 main draw meetings
Mona Guerrant
USA Age 77 Right-Handed

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jan 20, 1978* Houston WTA 250 R16 Carpet Rosie Casals 4-6 6-1 6-3 Mona Guerrant Match data
Feb 28, 1976* Sarasota WTA 250 QF Carpet Rosie Casals 5-7 7-6(4) 6-0 Mona Guerrant Match data
Oct 9, 1975* Phoenix WTA 250 R32 Hard Mona Guerrant 6-7 6-4 7-5 Rosie Casals Match data
Oct 19, 1973* Boca Raton WTA 250 R16 Clay Mona Guerrant 3-6 6-4 6-4 Rosie Casals Match data
Aug 11, 1973* Nashville WTA 250 QF Clay Rosie Casals 6-3 6-1 Mona Guerrant Match data
May 13, 1973* Tokyo Sillook WTA 250 R16 Carpet Rosie Casals 6-3 6-1 Mona Guerrant 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
Mona Guerrant — — — 1,939 123 117 51.2% 0 0 0 0 3 3

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 Mona Guerrant
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 1968 36–14 72.0% — 1,760 0 1 — — — — — — —
20 1969 42–19 68.9% — 1,874 0 1 1969 1–1 50.0% — 1,500 0 0
21 1970 52–21 71.2% — 2,035 0 4 1970 2–3 40.0% — 1,508 0 0
22 1971 92–31 74.8% — 2,162 0 7 1971 3–8 27.3% — 1,521 0 0
23 1972 64–26 71.1% — 2,098 0 10 1972 28–22 56.0% — 1,735 0 1
24 1973 81–28 74.3% — 2,122 0 12 1973 17–19 47.2% — 1,780 0 2
25 1974 43–16 72.9% — 2,127 0 12 1974 12–14 46.2% — 1,767 0 2
26 1975 20–14 58.8% — 1,995 0 12 1975 12–12 50.0% — 1,897 0 2
27 1976 39–17 69.6% — 2,122 0 12 1976 15–14 51.7% — 1,893 0 2
28 1977 41–20 67.2% — 2,044 0 12 1977 14–9 60.9% — 1,886 0 2
29 1978 24–15 61.5% — 2,019 0 12 1978 5–11 31.2% — 1,804 0 2
30 1979 19–26 42.2% — 1,824 0 12 — — — — — — —
31 1980 14–25 35.9% — 1,676 0 12 1980 14–4 77.8% — 1,809 0 3
32 1981 12–14 46.2% — 1,692 0 12 — — — — — — —
33 1982 4–8 33.3% — 1,670 0 12 — — — — — — —
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 — — — — — — —