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

Sandra Wasserman vs Petra Kamstra H2H: 0-1

Petra Kamstra holds a 1–0 lead over Sandra Wasserman in their WTA head-to-head. Across 1 main-draw meeting, Petra Kamstra leads 1–0 on hard courts. Most recently, Petra Kamstra won the 1991 ASB Classic round of 16 6-0 6-3.

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Sandra Wasserman
BEL Age 56 Right-Handed 173 cm / 5'8"
H2H
0 – 1
1 main-draw meetings
Petra Kamstra
NED Age 52 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Petra Kamstra #147 6-0 6-3 Sandra Wasserman #126 Match data Feb 1, 1991* R16 ASB Classic Tier V → modern equivalent WTA 250 Hard

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
Sandra Wasserman #747 #48 22 1,701 77 93 45.3% 0 0 0 0 0 0
Petra Kamstra #425 #70 90 1,585 21 36 36.8% 0 0 0 0 0 0

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 Sandra Wasserman Petra Kamstra
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 — — — — — — — 1990 0–1 0.0% #198 1,485 0 0
17 1987 7–4 63.6% #123 1,596 0 0 1991 6–8 42.9% #128 1,531 0 0
18 1988 19–18 51.4% #63 1,643 0 0 1992 0–4 0.0% #280 1,482 0 0
19 1989 18–17 51.4% #69 1,632 0 0 1993 0–1 0.0% #178 1,478 0 0
20 1990 12–17 41.4% #103 1,607 0 0 1994 4–9 30.8% #158 1,476 0 0
21 1991 6–10 37.5% #131 1,583 0 0 1995 7–5 58.3% #76 1,576 0 0
22 1992 3–8 27.3% #135 1,538 0 0 1996 4–8 33.3% #203 1,567 0 0
23 1993 8–11 42.1% #112 1,556 0 0 — — — — — — —
24 1994 4–8 33.3% #198 1,540 0 0 — — — — — — —

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 Sandra Wasserman Petra Kamstra
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 — — — — — — — — — — — — — — — — — 1990 — — — — 0 1 1 0.0% — — — — — — — —
17 1987 1 1 2 50.0% 6 3 9 66.7% — — — — — — — — 1991 6 6 12 50.0% 0 1 1 0.0% 0 1 1 0.0% — — — —
18 1988 8 5 13 61.5% 10 10 20 50.0% 1 3 4 25.0% — — — — 1992 0 3 3 0.0% — — — — — — — — 0 1 1 0.0%
19 1989 13 8 21 61.9% 4 8 12 33.3% — — — — 1 1 2 50.0% 1993 0 1 1 0.0% — — — — — — — — — — — —
20 1990 11 10 21 52.4% 0 4 4 0.0% 0 1 1 0.0% 1 2 3 33.3% 1994 3 6 9 33.3% 0 1 1 0.0% 1 1 2 50.0% 0 1 1 0.0%
21 1991 1 4 5 20.0% 4 5 9 44.4% — — — — 1 1 2 50.0% 1995 3 3 6 50.0% — — — — 4 2 6 66.7% — — — —
22 1992 1 2 3 33.3% 2 4 6 33.3% — — — — 0 2 2 0.0% 1996 0 2 2 0.0% 2 3 5 40.0% 2 3 5 40.0% — — — —
23 1993 4 6 10 40.0% 3 4 7 42.9% 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — —
24 1994 3 7 10 30.0% 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 42 43 85 49.4% 30 39 69 43.5% 2 5 7 28.6% 3 6 9 33.3% — 12 21 33 36.4% 2 6 8 25.0% 7 7 14 50.0% 0 2 2 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 Sandra Wasserman Petra Kamstra
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 — — — — — — — — — — — — — — — — 1990 1486 99.4 — — — — — — — 33.3% -1.33 0–1 1–0 — +0.05
17 1987 1596 125.6 — — — — — +39 — 64.0% +1.32 1–2 (33%) 1–1 — +0.79 1991 1532 112.2 — — — — +51 — — 46.2% -0.38 2–0 1–0 — +0.26
18 1988 1644 115.1 — — — — -32 +14 -112 51.1% +0.01 8–8 (50%) 7–4 (64%) 100.3 +4.28 1992 1482 94.9 — — — — +42 — — 11.1% -2.89 0–1 — — +0.35
19 1989 1633 118.0 — — — — +44 -43 — 50.6% +0.13 5–6 (45%) 0–5 (0%) 96.1 +3.24 1993 1479 106.2 — — — — — — — 0.0% -1.50 — 0–1 — -0.11
20 1990 1608 122.9 — — — — +64 -90 — 44.1% -0.71 4–6 (40%) 3–1 (75%) 98.4 -0.61 1994 1477 112.2 — — — — +24 — — 35.5% -1.10 2–3 (40%) 1–1 — +0.20
21 1991 1583 107.2 — — — — +19 -21 — 36.1% -1.03 3–1 (75%) 2–3 (40%) 101.4 +0.37 1995 1577 124.1 — — — — -50 — +68 55.6% +0.70 2–1 (67%) 2–1 (67%) 103.4 +0.11
22 1992 1539 107.3 — — — — +30 +11 — 33.3% -1.13 0–2 0–1 — +0.37 1996 1567 112.2 — — — — — -43 +134 44.0% -0.48 0–3 (0%) 1–1 — +0.39
23 1993 1556 112.7 — — — — +1 +2 — 42.9% -0.43 2–2 (50%) 1–2 (33%) — +0.49 — — — — — — — — — — — — — — — —
24 1994 1540 109.0 — — — — -5 — — 30.8% -1.23 2–2 (50%) 2–2 (50%) 101.0 -0.21 — — — — — — — — — — — — — — — —
Career — 1702 120.3 — — — — +26 -5 -112 45.9% -0.30 25–29 (46%) 16–19 (46%) 95.3 +5.13 — 1585 117.9 — — — — +23 -43 +98 41.5% -0.57 6–9 (40%) 6–4 (60%) 101.5 +2.23

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.