H2H data updated: 2026-09-13 00:00 UTC

Karen Krantzcke vs Rayni Fox H2H: 1-1

Karen Krantzcke and Rayni Fox are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, Rayni Fox leads 1–0 on grass. Most recently, Karen Krantzcke won the 1977 Tallahassee quarterfinal 6-4 7-6.

AUS Right-Handed
H2H
1 1
2 main-draw meetings
USA Age 70 Right-Handed 163 cm / 5'4"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Karen Krantzcke 6-4 7-6 Rayni Fox Match data Apr 9, 1977* QF Tallahassee WTA 250
Rayni Fox 6-2 6-4 Karen Krantzcke Match data Jan 21, 1977* SF Hobart International 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
Rayni Fox 1,691 27 47 36.5% 0 0 0 0 1 1

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 Karen Krantzcke Rayni Fox
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 1971 0–1 0.0% 1,484 0 0
16 1972 0–2 0.0% 1,465 0 0
17 1973 0–2 0.0% 1,460 0 0
18 1974 2–4 33.3% 1,468 0 0
19 1975 3–1 75.0% 1,540 0 0
20 1976 4–7 36.4% 1,525 0 0
21 1968 50–17 74.6% 1,793 0 4 1977 11–12 47.8% 1,623 0 1
22 1969 66–29 69.5% 1,856 0 8
23 1970 46–24 65.7% 1,857 0 8 1979 6–12 33.3% 1,649 0 1
24 1971 3–15 16.7% 1,776 0 8 1980 1–5 16.7% 1,636 0 1
25 1972 35–27 56.5% 1,948 0 8 1981 0–1 0.0% 1,620 0 1
26 1973 33–31 51.6% 1,895 0 8
27 1974 24–17 58.5% 1,944 0 9
28 1975 5–7 41.7% 1,862 0 9
29 1976 6–3 66.7% 1,852 0 9
30 1977 8–4 66.7% 1,814 0 9

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Karen Krantzcke Rayni Fox
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 %
15 1971 0 1 1 0.0%
16 1972 0 1 1 0.0%
17 1973 0 1 1 0.0% 0 1 1 0.0%
18 1974 0 2 2 0.0% 2 2 4 50.0%
19 1975 3 1 4 75.0%
20 1976 3 3 6 50.0% 1 2 3 33.3% 0 2 2 0.0%
21 1968 3 1 4 75.0% 10 3 13 76.9% 37 13 50 74.0% 1977 0 1 1 0.0% 2 4 6 33.3% 7 5 12 58.3% 0 1 1 0.0%
22 1969 3 2 5 60.0% 26 13 39 66.7% 37 13 50 74.0%
23 1970 3 2 5 60.0% 21 10 31 67.7% 22 12 34 64.7% 1979 1 4 5 20.0% 0 1 1 0.0% 4 6 10 40.0% 1 1 2 50.0%
24 1971 0 3 3 0.0% 1 4 5 20.0% 2 8 10 20.0% 1980 0 1 1 0.0% 1 3 4 25.0% 0 1 1 0.0%
25 1972 5 4 9 55.6% 8 7 15 53.3% 18 8 26 69.2% 4 8 12 33.3% 1981 0 1 1 0.0%
26 1973 10 7 17 58.8% 8 5 13 61.5% 10 8 18 55.6% 5 11 16 31.3%
27 1974 4 3 7 57.1% 4 3 7 57.1% 12 4 16 75.0% 4 7 11 36.4%
28 1975 1 2 3 33.3% 3 3 6 50.0% 1 2 3 33.3%
29 1976 3 2 5 60.0% 3 1 4 75.0%
30 1977 2 1 3 66.7% 3 2 5 60.0%
Career 34 27 61 55.7% 78 45 123 63.4% 145 64 209 69.4% 16 36 52 30.8% 1 5 6 16.7% 8 15 23 34.8% 15 20 35 42.9% 1 5 6 16.7%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Karen Krantzcke Rayni Fox
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
15 1971 1484 98.9 0.0% -1.50 0–1 +0.17
16 1972 1465 96.1 0.0% -4.00 -0.11
17 1973 1461 112.3 20.0% -1.80 0–1 -0.32
18 1974 1469 106.4 +83 42.9% -0.07 0–2 2–2 (50%) +0.60
19 1975 1540 115.1 +2 60.0% +0.90 2–0 -0.37
20 1976 1525 101.3 +26 +30 38.5% -1.27 2–4 (33%) 3–1 (75%) 99.0 +0.59
21 1968 1793 133.4 -183 -107 +112 72.8% +1.89 6–7 (46%) +1.15 1977 1623 125.1 -67 +25 45.1% -0.51 4–1 (80%) 3–2 (60%) 105.1 +1.10
22 1969 1857 143.1 -187 -21 +117 68.3% +1.63 8–10 (44%) -1.74
23 1970 1858 144.6 -179 +43 +67 63.2% +0.86 11–8 (58%) -6.02 1979 1649 129.6 -83 +7 30.8% -1.28 2–1 (67%) 0–3 (0%) 98.4 -1.79
24 1971 1777 136.0 -153 +69 29.3% -1.44 1–6 (14%) 1–4 (20%) 93.5 -3.42 1980 1636 114.5 +17 16.7% -3.17 -1.49
25 1972 1948 152.1 -221 -89 +32 56.9% +0.48 4–8 (33%) 3–2 (60%) 96.3 -8.34 1981 1620 97.3 0.0% -4.00 +0.12
26 1973 1896 154.5 -120 +24 +69 53.8% +0.30 6–11 (35%) 12–8 (60%) 97.2 -8.52
27 1974 1945 156.8 -111 +5 +75 61.2% +0.93 5–4 (56%) 2–2 (50%) 102.2 -5.37
28 1975 1863 128.0 -9 +52 42.9% -0.43 2–2 (50%) 3–1 (75%) 98.9 -1.26
29 1976 1853 111.8 -25 +106 63.2% +0.42 3–0 (100%) 1–1 +1.15
30 1977 1815 117.4 +9 +101 60.7% +0.93 3–1 (75%) 2–2 (50%) 101.2 +2.31
Career 2017 149.8 -135 -12 +87 61.2% +0.91 49–57 (46%) 24–20 (55%) 96.5 -6.82 1692 124.9 -83 -15 +26 36.8% -1.02 10–9 (53%) 8–9 (47%) 101.8 -2.05

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.