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

Ann Kiyomura Hayashi vs Yvonne Vermaak H2H: 1-0

Ann Kiyomura Hayashi holds a 1–0 lead over Yvonne Vermaak in their WTA head-to-head. Across 1 main-draw meeting, Ann Kiyomura Hayashi leads 1–0 on grass. Most recently, Ann Kiyomura Hayashi won the 1982 Birmingham fourth round 7-5 6-3.

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Ann Kiyomura Hayashi
Age 70 Right-Handed
H2H
1 – 0
1 main draw meetings
Yvonne Vermaak
RSA Age 69 Right-Handed 155 cm / 5'1"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jun 11, 1982* Birmingham WTA 250 R16 Grass Ann Kiyomura Hayashi 7-5 6-3 Yvonne Vermaak 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
Ann Kiyomura Hayashi — — — 1,924 182 200 47.6% 0 0 0 0 2 2
Yvonne Vermaak #558 #38 10 1,891 239 249 49.0% 0 0 0 0 5 5

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 Ann Kiyomura Hayashi Yvonne Vermaak
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 1973 0–2 0.0% — 1,495 0 0
17 1973 28–30 48.3% — 1,649 0 0 1974 1–2 33.3% — 1,489 0 0
18 1974 24–13 64.9% — 1,789 0 0 1975 15–12 55.6% — 1,599 0 0
19 1975 7–12 36.8% — 1,770 0 0 1976 8–10 44.4% — 1,607 0 1
20 1976 9–16 36.0% — 1,714 0 0 1977 20–14 58.8% — 1,766 0 2
21 1977 4–8 33.3% — 1,731 0 0 1978 29–23 55.8% — 1,797 0 2
22 1978 10–7 58.8% — 1,803 0 1 1979 15–23 39.5% — 1,781 0 2
23 1979 26–22 54.2% — 1,873 0 1 1980 19–18 51.4% — 1,740 0 2
24 1980 13–20 39.4% — 1,719 0 1 1981 19–28 40.4% — 1,721 0 2
25 1981 23–19 54.8% — 1,853 0 2 1982 36–27 57.1% — 1,819 0 2
26 1982 18–20 47.4% — 1,827 0 2 1983 33–26 55.9% — 1,754 0 4
27 1983 13–20 39.4% — 1,713 0 2 1984 29–28 50.9% #41 1,801 0 5
28 1984 2–5 28.6% — 1,684 0 2 1985 8–21 27.6% #41 1,605 0 5
29 — — — — — — — 1986 6–11 35.3% #104 1,565 0 5
30 — — — — — — — 1987 1–3 25.0% #201 1,558 0 5
31 — — — — — — — 1988 0–1 0.0% #287 1,542 0 5