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

Fiorella Bonicelli vs Brenda Kirk H2H: 1-1

Fiorella Bonicelli and Brenda Kirk are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, they are tied 1–1 on clay. Most recently, Brenda Kirk won the 1971 Athens final 6-2 6-3.

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Fiorella Bonicelli
URU Age 74
H2H
1 – 1
2 main-draw meetings
Brenda Kirk
RSA

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Brenda Kirk 6-2 6-3 Fiorella Bonicelli Match data Sep 5, 1971* F Athens WTA 250 Clay
Fiorella Bonicelli 6-3 6-1 Brenda Kirk Match data Jul 9, 1971* R16 Gstaad WTA 250 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
Fiorella Bonicelli — — — 1,868 137 98 58.3% 0 0 0 0 12 12
Brenda Kirk — — — 1,790 102 116 46.8% 0 0 0 0 2 2

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 Fiorella Bonicelli Brenda Kirk
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 1968 1–4 20.0% — 1,460 0 0
18 1970 11–5 68.8% — 1,702 0 2 1969 13–18 41.9% — 1,527 0 0
19 1971 12–10 54.5% — 1,701 0 6 1970 15–22 40.5% — 1,576 0 0
20 1972 26–16 61.9% — 1,796 0 9 1971 26–23 53.1% — 1,678 0 1
21 1973 24–11 68.6% — 1,842 0 11 1972 37–25 59.7% — 1,774 0 2
22 1974 6–4 60.0% — 1,800 0 11 1973 6–20 23.1% — 1,673 0 2
23 1975 12–13 48.0% — 1,774 0 12 1974 3–2 60.0% — 1,677 0 2
24 1976 14–8 63.6% — 1,776 0 12 — — — — — — —
25 1977 9–10 47.4% — 1,763 0 12 1976 1–1 50.0% — 1,682 0 2
26 1978 10–9 52.6% — 1,742 0 12 1977 0–1 0.0% — 1,665 0 2
30 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 Fiorella Bonicelli Brenda Kirk
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% — — — — 1968 1 4 5 20.0% — — — — — — — — — — — —
18 1970 — — — — 10 3 13 76.9% 1 2 3 33.3% — — — — 1969 4 5 9 44.4% 2 4 6 33.3% 7 9 16 43.8% — — — —
19 1971 — — — — 10 7 17 58.8% 1 3 4 25.0% — — — — 1970 5 5 10 50.0% 5 9 14 35.7% 5 8 13 38.5% — — — —
20 1972 0 1 1 0.0% 15 9 24 62.5% 8 6 14 57.1% — — — — 1971 6 4 10 60.0% 11 11 22 50.0% 9 8 17 52.9% — — — —
21 1973 — — — — 19 8 27 70.4% 5 3 8 62.5% — — — — 1972 12 3 15 80.0% 9 10 19 47.4% 7 7 14 50.0% 9 5 14 64.3%
22 1974 — — — — 4 3 7 57.1% 2 1 3 66.7% — — — — 1973 3 7 10 30.0% 2 6 8 25.0% 1 3 4 25.0% 0 4 4 0.0%
23 1975 2 2 4 50.0% 9 9 18 50.0% 1 2 3 33.3% — — — — 1974 1 1 2 50.0% — — — — — — — — — — — —
24 1976 — — — — 14 7 21 66.7% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
25 1977 1 1 2 50.0% 6 8 14 42.9% 2 1 3 66.7% — — — — 1976 1 1 2 50.0% — — — — — — — — — — — —
26 1978 — — — — 6 5 11 54.5% 0 3 3 0.0% — — — — 1977 0 1 1 0.0% — — — — — — — — — — — —
30 1982 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
32 1984 — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 3 4 7 42.9% 103 67 170 60.6% 23 26 49 46.9% — — — — — 33 31 64 51.6% 29 40 69 42.0% 29 35 64 45.3% 9 9 18 50.0%

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 Fiorella Bonicelli Brenda Kirk
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 1968 1460 95.8 — — — — -15 — — 27.3% -1.55 0–1 — — +0.11
18 1970 1702 116.4 — — — — — +53 -159 61.8% +0.44 3–1 (75%) — — +1.28 1969 1528 115.7 — — — — +3 -45 +44 46.0% -0.36 2–3 (40%) — — +0.37
19 1971 1702 122.1 — — — — — +58 -185 54.9% +0.33 3–4 (43%) — — +2.08 1970 1577 119.6 — — — — +10 -102 +23 40.0% -0.74 4–2 (67%) — — -1.30
20 1972 1796 137.0 — — — — — +57 -166 58.0% +0.53 10–6 (63%) 4–2 (67%) 105.5 -0.59 1971 1678 130.6 — — — — -21 -84 +10 52.7% +0.15 6–6 (50%) 2–1 (67%) 102.9 +3.63
21 1973 1842 136.2 — — — — — +53 -147 63.0% +0.73 8–3 (73%) 6–4 (60%) 103.3 +0.33 1972 1775 136.1 — — — — +141 -190 -45 57.0% +0.40 8–7 (53%) 3–3 (50%) 101.4 +0.85
22 1974 1800 119.7 — — — — — +33 -78 66.7% +1.33 1–2 (33%) — — +0.49 1973 1673 116.8 — — — — +33 -98 +38 24.6% -2.40 3–2 (60%) 4–1 (80%) 102.2 -2.93
23 1975 1774 138.4 — — — — -137 +22 -84 51.7% +0.29 6–6 (50%) 1–3 (25%) 98.0 -2.39 1974 1677 110.0 — — — — — — — 54.5% +0.45 1–0 — — +0.41
24 1976 1777 132.4 — — — — — +29 — 59.2% +0.84 4–1 (80%) 2–1 (67%) 103.9 -0.37 — — — — — — — — — — — — — — — —
25 1977 1763 128.8 — — — — — +1 -63 50.0% -0.02 2–4 (33%) 3–2 (60%) 98.6 -0.83 1976 1683 109.3 — — — — — — — 60.0% +0.80 0–1 1–0 — +0.05
26 1978 1743 134.2 — — — — — +42 -82 55.8% +0.28 1–4 (20%) 2–2 (50%) 97.2 -1.32 1977 1666 100.7 — — — — — — — 33.3% +0.33 0–1 0–1 — +0.13
30 1982 1728 102.7 — — — — — — — 0.0% -3.00 — — — -0.22 — — — — — — — — — — — — — — — —
32 1984 1717 101.4 — — — — — — — 50.0% +0.67 1–1 — — +0.28 — — — — — — — — — — — — — — — —
Career — 1868 138.2 — — — — -137 +40 -127 57.4% +0.47 40–35 (53%) 18–14 (56%) 102.7 -0.67 — 1791 128.6 — — — — +57 -115 +11 46.9% -0.33 24–23 (51%) 10–6 (63%) 103.8 +0.61

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.