H2H data updated: 2026-09-12 00:00 UTC

Fiorella Bonicelli vs Sandy Stap H2H: 1-0

Fiorella Bonicelli holds a 1–0 lead over Sandy Stap in their WTA head-to-head. Across 1 main-draw meeting, Fiorella Bonicelli leads 1–0 on clay. Most recently, Fiorella Bonicelli won the 1973 Indianapolis round of 32 6-3 7-6.

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Fiorella Bonicelli
URU Age 74
H2H
1 – 0
1 main-draw meetings
Sandy Stap
USA Age 70 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Fiorella Bonicelli 6-3 7-6 Sandy Stap Match data Aug 16, 1973* R32 Indianapolis 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
Sandy Stap — — — 1,635 25 33 43.1% 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 Fiorella Bonicelli Sandy Stap
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 — — — — — — — 1971 0–2 0.0% — 1,482 0 0
16 1968 1–2 33.3% — 1,509 0 0 1972 2–4 33.3% — 1,493 0 0
17 1969 11–8 57.9% — 1,604 0 0 1973 2–6 25.0% — 1,446 0 0
18 1970 11–5 68.8% — 1,702 0 2 1974 7–7 50.0% — 1,508 0 0
19 1971 12–10 54.5% — 1,701 0 6 1975 10–7 58.8% — 1,615 0 1
20 1972 26–16 61.9% — 1,796 0 9 1976 0–1 0.0% — 1,594 0 1
21 1973 24–11 68.6% — 1,842 0 11 — — — — — — —
22 1974 6–4 60.0% — 1,800 0 11 1978 3–3 50.0% — 1,579 0 1
23 1975 12–13 48.0% — 1,774 0 12 1979 1–3 25.0% — 1,541 0 1
24 1976 14–8 63.6% — 1,776 0 12 — — — — — — —
25 1977 9–10 47.4% — 1,763 0 12 — — — — — — —
26 1978 10–9 52.6% — 1,742 0 12 — — — — — — —
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 Sandy Stap
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% 0 1 1 0.0% — — — —
16 1968 — — — — 1 2 3 33.3% — — — — — — — — 1972 — — — — 1 1 2 50.0% 1 3 4 25.0% — — — —
17 1969 — — — — 8 4 12 66.7% 3 4 7 42.9% — — — — 1973 1 2 3 33.3% 1 3 4 25.0% 0 1 1 0.0% — — — —
18 1970 — — — — 10 3 13 76.9% 1 2 3 33.3% — — — — 1974 — — — — 4 4 8 50.0% 0 1 1 0.0% 0 1 1 0.0%
19 1971 — — — — 10 7 17 58.8% 1 3 4 25.0% — — — — 1975 — — — — 1 3 4 25.0% 5 0 5 100.0% — — — —
20 1972 0 1 1 0.0% 15 9 24 62.5% 8 6 14 57.1% — — — — 1976 — — — — 0 1 1 0.0% — — — — — — — —
21 1973 — — — — 19 8 27 70.4% 5 3 8 62.5% — — — — — — — — — — — — — — — — — — — — —
22 1974 — — — — 4 3 7 57.1% 2 1 3 66.7% — — — — 1978 — — — — 0 1 1 0.0% — — — — — — — —
23 1975 2 2 4 50.0% 9 9 18 50.0% 1 2 3 33.3% — — — — 1979 1 1 2 50.0% — — — — — — — — 0 2 2 0.0%
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% — — — — — — — — — — — — — — — — — — — — —
26 1978 — — — — 6 5 11 54.5% 0 3 3 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% — — — — — 2 3 5 40.0% 7 14 21 33.3% 6 6 12 50.0% 0 3 3 0.0%

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 Sandy Stap
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 1482 103.5 — — — — — — — 20.0% -0.80 0–1 — — +0.01
16 1968 1510 98.3 — — — — — — — 40.0% -0.60 1–0 — — -0.19 1972 1493 112.1 — — — — — — +17 35.7% -0.86 1–1 — — +0.03
17 1969 1604 117.2 — — — — — +35 -68 61.0% +0.41 0–3 (0%) — — -0.11 1973 1446 101.0 — — — — +92 +47 — 27.8% -0.89 1–1 0–1 — +1.70
18 1970 1702 116.4 — — — — — +53 -159 61.8% +0.44 3–1 (75%) — — +1.28 1974 1509 118.2 — — — — — +31 — 53.1% +0.56 1–3 (25%) 0–1 — +0.89
19 1971 1702 122.1 — — — — — +58 -185 54.9% +0.33 3–4 (43%) — — +2.08 1975 1615 126.2 — — — — — -83 -11 59.0% +0.36 2–3 (40%) 2–1 (67%) 101.9 +0.52
20 1972 1796 137.0 — — — — — +57 -166 58.0% +0.53 10–6 (63%) 4–2 (67%) 105.5 -0.59 1976 1595 99.7 — — — — — — — 33.3% -0.33 0–1 — — +0.15
21 1973 1842 136.2 — — — — — +53 -147 63.0% +0.73 8–3 (73%) 6–4 (60%) 103.3 +0.33 — — — — — — — — — — — — — — — —
22 1974 1800 119.7 — — — — — +33 -78 66.7% +1.33 1–2 (33%) — — +0.49 1978 1580 104.8 — — — — — — — 46.7% +0.20 2–1 (67%) 1–1 — +0.18
23 1975 1774 138.4 — — — — -137 +22 -84 51.7% +0.29 6–6 (50%) 1–3 (25%) 98.0 -2.39 1979 1541 95.0 — — — — -5 — — 33.3% -0.89 0–1 — — +1.26
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 — — — — — — — — — — — — — — — —
26 1978 1743 134.2 — — — — — +42 -82 55.8% +0.28 1–4 (20%) 2–2 (50%) 97.2 -1.32 — — — — — — — — — — — — — — — —
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 — 1636 118.0 — — — — +37 +7 +1 45.9% -0.05 7–12 (37%) 3–4 (43%) 96.0 +8.17

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.