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

Karen Krantzcke vs Amanda Tobin H2H: 1-0

Karen Krantzcke holds a 1–0 lead over Amanda Tobin in their WTA head-to-head. Across 1 main-draw meeting, Karen Krantzcke leads 1–0 on grass. Most recently, Karen Krantzcke won the 1976 Sydney International quarterfinal 7-6 6-3.

AUS Right-Handed
H2H
1 0
1 main-draw meetings
AUS Age 66 Right-Handed 168 cm / 5'6"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Karen Krantzcke 7-6 6-3 Amanda Tobin Match data Jan 1, 1977* QF Sydney International WTA 500 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
Amanda Tobin #351 #138 4 1,632 45 77 36.9% 0 0 0 0 3 3

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 Amanda Tobin
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1976 2–1 66.7% 1,537 0 0
17 1977 3–5 37.5% 1,535 0 0
18 1978 8–10 44.4% 1,558 0 0
19 1979 2–6 25.0% 1,503 0 0
20 1980 6–9 40.0% 1,564 0 0
21 1968 50–17 74.6% 1,793 0 4 1981 7–6 53.8% 1,612 0 2
22 1969 66–29 69.5% 1,856 0 8 1982 5–7 41.7% 1,604 0 3
23 1970 46–24 65.7% 1,857 0 8 1983 2–5 28.6% 1,604 0 3
24 1971 3–15 16.7% 1,776 0 8 1984 0–4 0.0% 1,521 0 3
25 1972 35–27 56.5% 1,948 0 8 1985 3–5 37.5% 1,560 0 3
26 1973 33–31 51.6% 1,895 0 8 1986 5–13 27.8% #138 1,505 0 3
27 1974 24–17 58.5% 1,944 0 9 1987 2–5 28.6% #210 1,472 0 3
28 1975 5–7 41.7% 1,862 0 9 1988 0–1 0.0% #351 1,457 0 3
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 Amanda Tobin
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 %
16 1976 2 1 3 66.7%
17 1977 3 5 8 37.5%
18 1978 2 1 3 66.7% 2 2 4 50.0% 4 7 11 36.4%
19 1979 0 2 2 0.0% 2 4 6 33.3%
20 1980 0 1 1 0.0% 6 8 14 42.9%
21 1968 3 1 4 75.0% 10 3 13 76.9% 37 13 50 74.0% 1981 0 2 2 0.0% 1 4 5 20.0%
22 1969 3 2 5 60.0% 26 13 39 66.7% 37 13 50 74.0% 1982 0 1 1 0.0% 1 2 3 33.3% 3 4 7 42.9%
23 1970 3 2 5 60.0% 21 10 31 67.7% 22 12 34 64.7% 1983 0 1 1 0.0% 2 4 6 33.3%
24 1971 0 3 3 0.0% 1 4 5 20.0% 2 8 10 20.0% 1984 0 2 2 0.0% 0 1 1 0.0% 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% 1985 1 1 2 50.0% 2 3 5 40.0% 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% 1986 4 5 9 44.4% 0 2 2 0.0% 0 3 3 0.0% 1 3 4 25.0%
27 1974 4 3 7 57.1% 4 3 7 57.1% 12 4 16 75.0% 4 7 11 36.4% 1987 2 2 4 50.0% 0 3 3 0.0%
28 1975 1 2 3 33.3% 3 3 6 50.0% 1 2 3 33.3% 1988 0 1 1 0.0%
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% 9 16 25 36.0% 3 10 13 23.1% 25 47 72 34.7% 1 4 5 20.0%

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 Amanda Tobin
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
16 1976 1537 111.2 +75 50.0% +1.00 2–0 0–1 +0.21
17 1977 1536 103.1 +15 37.5% -0.63 0–1 +0.67
18 1978 1559 119.3 +90 -3 -15 45.7% -0.29 1–2 (33%) 0–1 +1.52
19 1979 1503 92.9 +19 31.6% -1.37 1–2 (33%) 2–0 +1.72
20 1980 1564 108.2 -6 45.2% -0.29 1–2 (33%) 4–2 (67%) 101.0 +0.09
21 1968 1793 133.4 -183 -107 +112 72.8% +1.89 6–7 (46%) +1.15 1981 1613 117.9 -50 61.5% +0.73 0–2 1–0 +0.39
22 1969 1857 143.1 -187 -21 +117 68.3% +1.63 8–10 (44%) -1.74 1982 1604 110.0 -112 -1 41.7% -0.67 1–2 (33%) +0.66
23 1970 1858 144.6 -179 +43 +67 63.2% +0.86 11–8 (58%) -6.02 1983 1605 115.8 -9 41.2% -0.24 0–3 (0%) 2–0 -0.63
24 1971 1777 136.0 -153 +69 29.3% -1.44 1–6 (14%) 1–4 (20%) 93.5 -3.42 1984 1521 88.1 0.0% -3.00 +1.02
25 1972 1948 152.1 -221 -89 +32 56.9% +0.48 4–8 (33%) 3–2 (60%) 96.3 -8.34 1985 1561 124.2 -49 +40 45.0% +0.05 1–3 (25%) 1–1 -0.17
26 1973 1896 154.5 -120 +24 +69 53.8% +0.30 6–11 (35%) 12–8 (60%) 97.2 -8.52 1986 1505 106.5 +11 +56 27.0% -2.03 1–2 (33%) 3–0 (100%) 101.6 +1.27
27 1974 1945 156.8 -111 +5 +75 61.2% +0.93 5–4 (56%) 2–2 (50%) 102.2 -5.37 1987 1473 97.7 +35 +9 44.4% -0.17 0–4 (0%) 1–1 +0.93
28 1975 1863 128.0 -9 +52 42.9% -0.43 2–2 (50%) 3–1 (75%) 98.9 -1.26 1988 1457 97.6 0.0% -3.00 +0.22
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 1632 114.9 +18 -50 +4 40.6% -0.60 7–20 (26%) 15–9 (63%) 98.0 +6.64

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.