H2H data updated: 2026-09-14 00:00 UTC

Karen Krantzcke vs Betty Ann Grubb H2H: 2-0

Karen Krantzcke holds a 2–0 lead over Betty Ann Grubb in their WTA head-to-head. Across 2 main-draw meetings, Karen Krantzcke leads 1–0 on clay and 1–0 on grass. Most recently, Karen Krantzcke won the 1974 St. Petersburg round of 16 7-5 6-3.

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Karen Krantzcke
AUS Right-Handed
H2H
2 – 0
2 main-draw meetings
Betty Ann Grubb
USA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Karen Krantzcke 7-5 6-3 Betty Ann Grubb Match data Apr 19, 1974* R16 St. Petersburg WTA 500 Clay
Karen Krantzcke 6-0 9-7 Betty Ann Grubb Match data Jul 20, 1969* F Eastbourne Open WTA 250 Grass

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Karen Krantzcke — — — 2,016 276 174 61.3% 0 0 0 3 6 9
Betty Ann Grubb — — — 1,824 124 112 52.5% 0 0 0 0 6 6

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.

Karen Krantzcke Betty Ann Grubb
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1968 50–17 74.6% — 1,793 0 4 1968 21–8 72.4% — 1,633 0 2
1969 66–29 69.5% — 1,856 0 8 1969 29–14 67.4% — 1,777 0 4
1970 46–24 65.7% — 1,857 0 8 1970 18–15 54.5% — 1,684 0 4
1971 3–15 16.7% — 1,776 0 8 1971 5–11 31.2% — 1,679 0 4
1972 35–27 56.5% — 1,948 0 8 1972 2–2 50.0% — 1,673 0 5
1973 33–31 51.6% — 1,895 0 8 1973 4–4 50.0% — 1,699 0 6
1974 24–17 58.5% — 1,944 0 9 1974 7–10 41.2% — 1,675 0 6
1975 5–7 41.7% — 1,862 0 9 1975 5–4 55.6% — 1,728 0 6
1976 6–3 66.7% — 1,852 0 9 1976 2–4 33.3% — 1,683 0 6
1977 8–4 66.7% — 1,814 0 9 1977 0–2 0.0% — 1,652 0 6
— — — — — — — 1978 3–1 75.0% — 1,660 0 6
— — — — — — — 1979 25–26 49.0% — 1,816 0 6
— — — — — — — 1980 2–9 18.2% — 1,721 0 6
— — — — — — — 1981 1–2 33.3% — 1,709 0 6

Surface Results by Career Season

Rows are aligned in career order because complete birth data is unavailable. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Karen Krantzcke Betty Ann Grubb
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
1968 3 1 4 75.0% 10 3 13 76.9% 37 13 50 74.0% — — — — 1968 9 2 11 81.8% 10 3 13 76.9% 2 3 5 40.0% — — — —
1969 3 2 5 60.0% 26 13 39 66.7% 37 13 50 74.0% — — — — 1969 10 3 13 76.9% — — — — 14 9 23 60.9% 2 2 4 50.0%
1970 3 2 5 60.0% 21 10 31 67.7% 22 12 34 64.7% — — — — 1970 6 3 9 66.7% 5 4 9 55.6% 5 6 11 45.5% 1 1 2 50.0%
1971 0 3 3 0.0% 1 4 5 20.0% — — — — 2 8 10 20.0% 1971 2 3 5 40.0% 2 3 5 40.0% 1 2 3 33.3% 0 3 3 0.0%
1972 5 4 9 55.6% 8 7 15 53.3% 18 8 26 69.2% 4 8 12 33.3% 1972 0 2 2 0.0% — — — — — — — — — — — —
1973 10 7 17 58.8% 8 5 13 61.5% 10 8 18 55.6% 5 11 16 31.3% 1973 3 2 5 60.0% — — — — — — — — 1 2 3 33.3%
1974 4 3 7 57.1% 4 3 7 57.1% 12 4 16 75.0% 4 7 11 36.4% 1974 6 5 11 54.5% 1 2 3 33.3% — — — — 0 3 3 0.0%
1975 1 2 3 33.3% — — — — 3 3 6 50.0% 1 2 3 33.3% 1975 5 3 8 62.5% — — — — — — — — 0 1 1 0.0%
1976 3 2 5 60.0% — — — — 3 1 4 75.0% — — — — 1976 2 3 5 40.0% 0 1 1 0.0% — — — — — — — —
1977 2 1 3 66.7% — — — — 3 2 5 60.0% — — — — 1977 — — — — 0 1 1 0.0% — — — — 0 1 1 0.0%
— — — — — — — — — — — — — — — — — 1979 8 9 17 47.1% 4 4 8 50.0% 9 6 15 60.0% 4 7 11 36.4%
— — — — — — — — — — — — — — — — — 1980 0 1 1 0.0% 0 1 1 0.0% 2 2 4 50.0% 0 5 5 0.0%
— — — — — — — — — — — — — — — — — 1981 1 2 3 33.3% — — — — — — — — — — — —
Career 34 27 61 55.7% 78 45 123 63.4% 145 64 209 69.4% 16 36 52 30.8% Career 52 38 90 57.8% 22 19 41 53.7% 33 28 61 54.1% 8 25 33 24.2%

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Karen Krantzcke Betty Ann Grubb
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
1968 1793 133.4 — — — — -183 -107 +112 72.8% +1.89 6–7 (46%) — — +1.15 1968 1633 121.5 — — — — +94 +16 -113 69.8% +1.56 3–2 (60%) — — 0.00
1969 1857 143.1 — — — — -187 -21 +117 68.3% +1.63 8–10 (44%) — — -1.74 1969 1777 129.3 — — — — +55 — -18 64.1% +0.96 5–3 (63%) — — +1.73
1970 1858 144.6 — — — — -179 +43 +67 63.2% +0.86 11–8 (58%) — — -6.02 1970 1685 118.2 — — — — +114 -50 +6 53.4% +0.34 4–3 (57%) 1–0 — +0.50
1971 1777 136.0 — — — — -153 +69 — 29.3% -1.44 1–6 (14%) 1–4 (20%) 93.5 -3.42 1971 1680 131.9 — — — — +54 -42 +16 25.0% -1.81 2–0 0–2 — -2.09
1972 1948 152.1 — — — — -221 -89 +32 56.9% +0.48 4–8 (33%) 3–2 (60%) 96.3 -8.34 1972 1673 104.5 — — — — — — — 50.0% 0.00 — — — -0.16
1973 1896 154.5 — — — — -120 +24 +69 53.8% +0.30 6–11 (35%) 12–8 (60%) 97.2 -8.52 1973 1700 124.2 — — — — +39 — — 47.1% -0.35 1–0 0–1 — +0.31
1974 1945 156.8 — — — — -111 +5 +75 61.2% +0.93 5–4 (56%) 2–2 (50%) 102.2 -5.37 1974 1676 118.4 — — — — -14 -33 — 47.2% +0.08 1–3 (25%) 0–5 (0%) 92.5 -0.32
1975 1863 128.0 — — — — -9 — +52 42.9% -0.43 2–2 (50%) 3–1 (75%) 98.9 -1.26 1975 1728 114.2 — — — — +19 — — 47.4% -0.31 2–1 (67%) 2–1 (67%) 101.9 +0.34
1976 1853 111.8 — — — — -25 — +106 63.2% +0.42 3–0 (100%) 1–1 — +1.15 1976 1684 105.1 — — — — +18 — — 33.3% -0.58 — 0–2 — +0.77
1977 1815 117.4 — — — — +9 — +101 60.7% +0.93 3–1 (75%) 2–2 (50%) 101.2 +2.31 1977 1653 100.1 — — — — — — — 20.0% -1.00 0–1 0–1 — +0.17
— — — — — — — — — — — — — — — — 1978 1660 112.4 — — — — — — — 75.0% +2.63 — — — +0.35
— — — — — — — — — — — — — — — — 1979 1817 140.6 — — — — -45 -172 -41 45.3% -0.42 12–5 (71%) 5–5 (50%) 106.5 -0.93
— — — — — — — — — — — — — — — — 1980 1722 127.1 — — — — -73 — +67 33.3% -1.07 2–5 (29%) 1–2 (33%) 95.6 -1.30
— — — — — — — — — — — — — — — — 1981 1709 110.6 — — — — -33 — — 33.3% -0.50 — 0–1 — -0.04
Career 2017 149.8 — — — — -135 -12 +87 61.2% +0.91 49–57 (46%) 24–20 (55%) 96.5 -6.82 Career 1825 133.9 — — — — +19 -51 -20 51.1% +0.14 32–23 (58%) 9–20 (31%) 97.8 -0.29

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.