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

Karen Krantzcke vs Fiorella Bonicelli H2H: 1-0

Karen Krantzcke holds a 1–0 lead over Fiorella Bonicelli in their WTA head-to-head. Across 1 main-draw meeting, Karen Krantzcke leads 1–0 on clay. Most recently, Karen Krantzcke won the 1970 Roland Garros round of 64 8-6 1-6 6-3.

AUS Right-Handed
H2H
1 0
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Karen Krantzcke 8-6 1-6 6-3 Fiorella Bonicelli Match data May 29, 1970* R64 Roland Garros Grand Slam Clay

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
Fiorella Bonicelli 1,868 137 98 58.3% 0 0 0 0 12 12

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 Fiorella Bonicelli
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1968 1–2 33.3% 1,509 0 0
17 1969 11–8 57.9% 1,604 0 0
18 1970 11–5 68.8% 1,702 0 2
19 1971 12–10 54.5% 1,701 0 6
20 1972 26–16 61.9% 1,796 0 9
21 1968 50–17 74.6% 1,793 0 4 1973 24–11 68.6% 1,842 0 11
22 1969 66–29 69.5% 1,856 0 8 1974 6–4 60.0% 1,800 0 11
23 1970 46–24 65.7% 1,857 0 8 1975 12–13 48.0% 1,774 0 12
24 1971 3–15 16.7% 1,776 0 8 1976 14–8 63.6% 1,776 0 12
25 1972 35–27 56.5% 1,948 0 8 1977 9–10 47.4% 1,763 0 12
26 1973 33–31 51.6% 1,895 0 8 1978 10–9 52.6% 1,742 0 12
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 1982 0–1 0.0% 1,728 0 12
32 1984 1–1 50.0% 1,717 0 12

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 Fiorella Bonicelli
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 1968 1 2 3 33.3%
17 1969 8 4 12 66.7% 3 4 7 42.9%
18 1970 10 3 13 76.9% 1 2 3 33.3%
19 1971 10 7 17 58.8% 1 3 4 25.0%
20 1972 0 1 1 0.0% 15 9 24 62.5% 8 6 14 57.1%
21 1968 3 1 4 75.0% 10 3 13 76.9% 37 13 50 74.0% 1973 19 8 27 70.4% 5 3 8 62.5%
22 1969 3 2 5 60.0% 26 13 39 66.7% 37 13 50 74.0% 1974 4 3 7 57.1% 2 1 3 66.7%
23 1970 3 2 5 60.0% 21 10 31 67.7% 22 12 34 64.7% 1975 2 2 4 50.0% 9 9 18 50.0% 1 2 3 33.3%
24 1971 0 3 3 0.0% 1 4 5 20.0% 2 8 10 20.0% 1976 14 7 21 66.7% 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% 1977 1 1 2 50.0% 6 8 14 42.9% 2 1 3 66.7%
26 1973 10 7 17 58.8% 8 5 13 61.5% 10 8 18 55.6% 5 11 16 31.3% 1978 6 5 11 54.5% 0 3 3 0.0%
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% 1982 0 1 1 0.0%
32 1984 1 1 2 50.0%
Career 34 27 61 55.7% 78 45 123 63.4% 145 64 209 69.4% 16 36 52 30.8% 3 4 7 42.9% 103 67 170 60.6% 23 26 49 46.9%

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 Fiorella Bonicelli
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 1968 1510 98.3 40.0% -0.60 1–0 -0.19
17 1969 1604 117.2 +35 -68 61.0% +0.41 0–3 (0%) -0.11
18 1970 1702 116.4 +53 -159 61.8% +0.44 3–1 (75%) +1.28
19 1971 1702 122.1 +58 -185 54.9% +0.33 3–4 (43%) +2.08
20 1972 1796 137.0 +57 -166 58.0% +0.53 10–6 (63%) 4–2 (67%) 105.5 -0.59
21 1968 1793 133.4 -183 -107 +112 72.8% +1.89 6–7 (46%) +1.15 1973 1842 136.2 +53 -147 63.0% +0.73 8–3 (73%) 6–4 (60%) 103.3 +0.33
22 1969 1857 143.1 -187 -21 +117 68.3% +1.63 8–10 (44%) -1.74 1974 1800 119.7 +33 -78 66.7% +1.33 1–2 (33%) +0.49
23 1970 1858 144.6 -179 +43 +67 63.2% +0.86 11–8 (58%) -6.02 1975 1774 138.4 -137 +22 -84 51.7% +0.29 6–6 (50%) 1–3 (25%) 98.0 -2.39
24 1971 1777 136.0 -153 +69 29.3% -1.44 1–6 (14%) 1–4 (20%) 93.5 -3.42 1976 1777 132.4 +29 59.2% +0.84 4–1 (80%) 2–1 (67%) 103.9 -0.37
25 1972 1948 152.1 -221 -89 +32 56.9% +0.48 4–8 (33%) 3–2 (60%) 96.3 -8.34 1977 1763 128.8 +1 -63 50.0% -0.02 2–4 (33%) 3–2 (60%) 98.6 -0.83
26 1973 1896 154.5 -120 +24 +69 53.8% +0.30 6–11 (35%) 12–8 (60%) 97.2 -8.52 1978 1743 134.2 +42 -82 55.8% +0.28 1–4 (20%) 2–2 (50%) 97.2 -1.32
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 1982 1728 102.7 0.0% -3.00 -0.22
32 1984 1717 101.4 50.0% +0.67 1–1 +0.28
Career 2017 149.8 -135 -12 +87 61.2% +0.91 49–57 (46%) 24–20 (55%) 96.5 -6.82 1868 138.2 -137 +40 -127 57.4% +0.47 40–35 (53%) 18–14 (56%) 102.7 -0.67

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.