H2H data updated: 2026-07-19 14:15 UTC

Billie Jean King vs Fiorella Bonicelli H2H: 1-0

Billie Jean King holds a 1–0 lead over Fiorella Bonicelli in their WTA head-to-head. Across 1 main-draw meeting, Billie Jean King leads 1–0 on grass. Most recently, Billie Jean King won the 1970 Wimbledon second round 6-2 6-1.

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Billie Jean King
Age 82 Right-Handed 164 cm / 5'5"
H2H
1 – 0
1 main draw meetings
Fiorella Bonicelli
Age 74

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jun 26, 1970* Wimbledon Grand Slam R64 Grass Billie Jean King 6-2 6-1 Fiorella Bonicelli 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
Billie Jean King #22 #13 — 2,402 684 160 81.0% 9 1 0 3 59 72
Fiorella Bonicelli — — — 1,866 135 97 58.2% 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 Billie Jean King Fiorella Bonicelli
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 — — — — — — — 1968 1–2 33.3% — 1,491 0 0
17 — — — — — — — 1969 11–8 57.9% — 1,594 0 0
18 — — — — — — — 1970 9–4 69.2% — 1,683 0 2
19 — — — — — — — 1971 12–10 54.5% — 1,693 0 6
20 — — — — — — — 1972 26–16 61.9% — 1,792 0 9
21 — — — — — — — 1973 24–11 68.6% — 1,840 0 11
22 — — — — — — — 1974 6–4 60.0% — 1,800 0 11
23 — — — — — — — 1975 12–13 48.0% — 1,775 0 12
24 1968 40–5 88.9% — 1,823 2 6 1976 14–8 63.6% — 1,776 0 12
25 1969 58–14 80.6% — 2,043 2 11 1977 9–10 47.4% — 1,763 0 12
26 1970 47–11 81.0% — 2,172 2 16 1978 10–9 52.6% — 1,745 0 12
27 1971 114–15 88.4% — 2,293 3 33 — — — — — — —
28 1972 89–15 85.6% — 2,341 6 43 — — — — — — —
29 1973 56–12 82.4% — 2,294 7 50 — — — — — — —
30 1974 54–8 87.1% — 2,300 8 56 1982 0–1 0.0% — 1,730 0 12
31 1975 23–3 88.5% — 2,370 9 58 — — — — — — —
32 1976 2–2 50.0% — 2,316 9 58 1984 1–1 50.0% — 1,719 0 12
33 1977 46–6 88.5% — 2,386 9 64 — — — — — — —
34 1978 28–12 70.0% — 2,301 9 64 — — — — — — —
35 1979 36–13 73.5% — 2,164 9 66 — — — — — — —
36 1980 39–15 72.2% — 2,122 9 69 — — — — — — —
37 1981 4–5 44.4% — 2,019 9 69 — — — — — — —
38 1982 26–19 57.8% — 1,932 9 70 — — — — — — —
39 1983 22–5 81.5% — 2,052 9 72 — — — — — — —