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

Yvonne Vermaak vs Betty Ann Grubb H2H: 2-0

Yvonne Vermaak holds a 2–0 lead over Betty Ann Grubb in their WTA head-to-head. Across 2 main-draw meetings, Yvonne Vermaak leads 1–0 on carpet and 1–0 on clay. Most recently, Yvonne Vermaak won the 1979 Vienna fourth round 6-1 6-2.

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Yvonne Vermaak
RSA Age 69 Right-Handed 155 cm / 5'1"
H2H
2 – 0
2 main draw meetings
Betty Ann Grubb

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
May 18, 1979* Vienna WTA 250 R16 Clay Yvonne Vermaak 6-1 6-2 Betty Ann Grubb Match data
Mar 3, 1977* San Francisco WTA 250 R32 Carpet Yvonne Vermaak 7-5 6-3 Betty Ann Grubb 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
Yvonne Vermaak #558 #38 10 1,891 239 249 49.0% 0 0 0 0 5 5
Betty Ann Grubb — — — 1,822 124 112 52.5% 0 0 0 0 7 7

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.

Yvonne Vermaak Betty Ann Grubb
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1973 0–2 0.0% — 1,495 0 0 1968 21–8 72.4% — 1,633 0 3
1974 1–2 33.3% — 1,489 0 0 1969 29–14 67.4% — 1,778 0 5
1975 15–12 55.6% — 1,599 0 0 1970 18–15 54.5% — 1,685 0 5
1976 8–10 44.4% — 1,607 0 1 1971 5–11 31.2% — 1,687 0 5
1977 20–14 58.8% — 1,766 0 2 1972 2–2 50.0% — 1,679 0 6
1978 29–23 55.8% — 1,797 0 2 1973 4–4 50.0% — 1,703 0 7
1979 15–23 39.5% — 1,781 0 2 1974 7–10 41.2% — 1,676 0 7
1980 19–18 51.4% — 1,740 0 2 1975 5–4 55.6% — 1,729 0 7
1981 19–28 40.4% — 1,721 0 2 1976 2–4 33.3% — 1,684 0 7
1982 36–27 57.1% — 1,819 0 2 1977 0–2 0.0% — 1,654 0 7
1983 33–26 55.9% — 1,754 0 4 1978 3–1 75.0% — 1,661 0 7
1984 29–28 50.9% #41 1,801 0 5 1979 25–26 49.0% — 1,814 0 7
1985 8–21 27.6% #41 1,605 0 5 1980 2–9 18.2% — 1,720 0 7
1986 6–11 35.3% #104 1,565 0 5 1981 1–2 33.3% — 1,707 0 7
1987 1–3 25.0% #201 1,558 0 5 — — — — — — —
1988 0–1 0.0% #287 1,542 0 5 — — — — — — —