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

Petra Kamstra vs Debbie Graham H2H: 0-1

Debbie Graham holds a 1–0 lead over Petra Kamstra in their WTA head-to-head. Across 1 main-draw meeting, Debbie Graham leads 1–0 on hard courts. Most recently, Debbie Graham won the 1991 Manhattan Beach round of 32 6-1 6-0.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Petra Kamstra
NED Age 52 Right-Handed
H2H
0 – 1
1 main-draw meetings
Debbie Graham
USA Age 56 Right-Handed 183 cm / 6'0"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Debbie Graham #52 6-1 6-0 Petra Kamstra #135 Match data Aug 15, 1991* R32 Manhattan Beach Tier II → modern equivalent WTA 500 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
Petra Kamstra #425 #70 90 1,585 21 36 36.8% 0 0 0 0 0 0
Debbie Graham #729 #35 190 1,757 83 90 48.0% 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 Petra Kamstra Debbie Graham
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1990 0–1 0.0% #198 1,485 0 0 1987 1–1 50.0% — 1,502 0 0
17 1991 6–8 42.9% #128 1,531 0 0 1988 3–2 60.0% #138 1,547 0 0
18 1992 0–4 0.0% #280 1,482 0 0 1989 2–4 33.3% #256 1,512 0 0
19 1993 0–1 0.0% #178 1,478 0 0 1990 5–4 55.6% #121 1,581 0 0
20 1994 4–9 30.8% #158 1,476 0 0 1991 14–11 56.0% #42 1,685 0 0
21 1995 7–5 58.3% #76 1,576 0 0 1992 21–19 52.5% #51 1,728 0 0
22 1996 4–8 33.3% #203 1,567 0 0 1993 21–22 48.8% #65 1,683 0 0
23 — — — — — — — 1994 8–10 44.4% #68 1,698 0 0
24 — — — — — — — 1995 4–12 25.0% #131 1,598 0 0
25 — — — — — — — 1996 4–5 44.4% #122 1,607 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 Petra Kamstra Debbie Graham
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% — — — — — — — — 1987 1 1 2 50.0% — — — — — — — — — — — —
17 1991 6 6 12 50.0% 0 1 1 0.0% 0 1 1 0.0% — — — — 1988 3 2 5 60.0% — — — — — — — — — — — —
18 1992 0 3 3 0.0% — — — — — — — — 0 1 1 0.0% 1989 2 2 4 50.0% — — — — 0 2 2 0.0% — — — —
19 1993 0 1 1 0.0% — — — — — — — — — — — — 1990 2 2 4 50.0% 3 2 5 60.0% — — — — — — — —
20 1994 3 6 9 33.3% 0 1 1 0.0% 1 1 2 50.0% 0 1 1 0.0% 1991 12 8 20 60.0% 2 1 3 66.7% 0 1 1 0.0% 0 1 1 0.0%
21 1995 3 3 6 50.0% — — — — 4 2 6 66.7% — — — — 1992 13 10 23 56.5% 5 6 11 45.5% 1 1 2 50.0% 2 2 4 50.0%
22 1996 0 2 2 0.0% 2 3 5 40.0% 2 3 5 40.0% — — — — 1993 12 10 22 54.5% 7 6 13 53.8% 0 2 2 0.0% 2 4 6 33.3%
23 — — — — — — — — — — — — — — — — — 1994 5 8 13 38.5% — — — — 0 1 1 0.0% 3 1 4 75.0%
24 — — — — — — — — — — — — — — — — — 1995 1 3 4 25.0% 2 6 8 25.0% 0 1 1 0.0% 1 2 3 33.3%
25 — — — — — — — — — — — — — — — — — 1996 3 4 7 42.9% — — — — — — — — 1 1 2 50.0%
Career — 12 21 33 36.4% 2 6 8 25.0% 7 7 14 50.0% 0 2 2 0.0% — 54 50 104 51.9% 19 21 40 47.5% 1 8 9 11.1% 9 11 20 45.0%

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 Petra Kamstra Debbie Graham
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 1987 1502 96.8 — — — — — — — 50.0% -1.00 — — — +0.39
17 1991 1532 112.2 — — — — +51 — — 46.2% -0.38 2–0 1–0 — +0.26 1988 1548 116.6 — — — — +36 — — 58.3% +0.50 1–1 1–0 — +0.73
18 1992 1482 94.9 — — — — +42 — — 11.1% -2.89 0–1 — — +0.35 1989 1512 95.4 — — — — +58 — — 33.3% -0.83 — 0–1 — +1.17
19 1993 1479 106.2 — — — — — — — 0.0% -1.50 — 0–1 — -0.11 1990 1582 122.4 — — — — +23 -2 — 52.4% -0.52 2–1 (67%) 1–0 — -0.27
20 1994 1477 112.2 — — — — +24 — — 35.5% -1.10 2–3 (40%) 1–1 — +0.20 1991 1686 138.0 — — — — +16 -85 — 56.6% +0.40 1–4 (20%) 3–0 (100%) 98.8 +1.00
21 1995 1577 124.1 — — — — -50 — +68 55.6% +0.70 2–1 (67%) 2–1 (67%) 103.4 +0.11 1992 1729 136.9 — — — — +3 -79 — 51.6% +0.15 7–6 (54%) 4–4 (50%) 100.3 -1.24
22 1996 1567 112.2 — — — — — -43 +134 44.0% -0.48 0–3 (0%) 1–1 — +0.39 1993 1684 134.3 — — — — +3 +30 — 49.5% -0.04 4–5 (44%) 3–3 (50%) 98.7 -0.72
23 — — — — — — — — — — — — — — — — 1994 1699 133.9 — — — — +10 — — 48.8% -0.05 4–5 (44%) 2–1 (67%) 100.7 +0.20
24 — — — — — — — — — — — — — — — — 1995 1599 119.1 — — — — +85 +25 — 37.1% -0.69 0–5 (0%) 0–3 (0%) 90.6 -0.23
25 — — — — — — — — — — — — — — — — 1996 1608 118.4 — — — — +59 — — 42.9% +0.10 2–1 (67%) 0–2 — +0.30
Career — 1585 117.9 — — — — +23 -43 +98 41.5% -0.57 6–9 (40%) 6–4 (60%) 101.5 +2.23 — 1757 137.8 — — — — +19 -14 — 49.4% -0.03 21–28 (43%) 14–14 (50%) 96.0 +0.77

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.