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

Rosie Casals vs Ann Kiyomura Hayashi H2H: 1-2

Ann Kiyomura Hayashi holds a 2–1 lead over Rosie Casals in their WTA head-to-head. Across 3 main-draw meetings, Ann Kiyomura Hayashi leads 2–1 on carpet. Most recently, Rosie Casals won the 1979 Detroit quarterfinal 0-6 6-4 6-4.

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Rosie Casals
USA Age 77 Right-Handed 159 cm / 5'3"
H2H
1 – 2
3 main draw meetings
Ann Kiyomura Hayashi
Age 70 Right-Handed

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Feb 24, 1979* Detroit WTA 250 QF Carpet Rosie Casals 0-6 6-4 6-4 Ann Kiyomura Hayashi Match data
Jan 12, 1979* Oakland WTA 250 R16 Carpet Ann Kiyomura Hayashi 6-3 6-4 Rosie Casals Match data
Oct 7, 1977* Atlanta WTA 250 R16 Carpet Ann Kiyomura Hayashi 6-2 6-1 Rosie Casals 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
Ann Kiyomura Hayashi — — — 1,924 182 200 47.6% 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 Ann Kiyomura Hayashi
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
12 — — — — — — — 1968 0–1 0.0% — 1,488 0 0
13 — — — — — — — 1969 0–1 0.0% — 1,473 0 0
14 — — — — — — — 1970 0–1 0.0% — 1,459 0 0
15 — — — — — — — 1971 0–1 0.0% — 1,456 0 0
16 — — — — — — — 1972 5–4 55.6% — 1,515 0 0
17 — — — — — — — 1973 28–30 48.3% — 1,649 0 0
18 — — — — — — — 1974 24–13 64.9% — 1,789 0 0
19 1968 36–14 72.0% — 1,760 0 1 1975 7–12 36.8% — 1,770 0 0
20 1969 42–19 68.9% — 1,874 0 1 1976 9–16 36.0% — 1,714 0 0
21 1970 52–21 71.2% — 2,035 0 4 1977 4–8 33.3% — 1,731 0 0
22 1971 92–31 74.8% — 2,162 0 7 1978 10–7 58.8% — 1,803 0 1
23 1972 64–26 71.1% — 2,098 0 10 1979 26–22 54.2% — 1,873 0 1
24 1973 81–28 74.3% — 2,122 0 12 1980 13–20 39.4% — 1,719 0 1
25 1974 43–16 72.9% — 2,127 0 12 1981 23–19 54.8% — 1,853 0 2
26 1975 20–14 58.8% — 1,995 0 12 1982 18–20 47.4% — 1,827 0 2
27 1976 39–17 69.6% — 2,122 0 12 1983 13–20 39.4% — 1,713 0 2
28 1977 41–20 67.2% — 2,044 0 12 1984 2–5 28.6% — 1,684 0 2
29 1978 24–15 61.5% — 2,019 0 12 — — — — — — —
30 1979 19–26 42.2% — 1,824 0 12 — — — — — — —
31 1980 14–25 35.9% — 1,676 0 12 — — — — — — —
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 — — — — — — —