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

Jolene Watanabe vs Petra Kamstra H2H: 0-1

Petra Kamstra holds a 1–0 lead over Jolene Watanabe 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 1995 China Open round of 16 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.

Jolene Watanabe
USA Right-Handed 188 cm / 6'2"
H2H
0 – 1
1 main-draw meetings
Petra Kamstra
NED Age 52 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Petra Kamstra #81 6-1 6-0 Jolene Watanabe #94 Match data Sep 29, 1995* R16 China Open Tier IV → 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
Jolene Watanabe #1,101 #72 312 1,619 45 80 36.0% 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 Jolene Watanabe Petra Kamstra
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 — — — — — — — 1990 0–1 0.0% #198 1,485 0 0
17 — — — — — — — 1991 6–8 42.9% #128 1,531 0 0
18 — — — — — — — 1992 0–4 0.0% #280 1,482 0 0
19 — — — — — — — 1993 0–1 0.0% #178 1,478 0 0
20 — — — — — — — 1994 4–9 30.8% #158 1,476 0 0
21 — — — — — — — 1995 7–5 58.3% #76 1,576 0 0
22 1991 2–3 40.0% #217 1,505 0 0 1996 4–8 33.3% #203 1,567 0 0
23 1992 1–2 33.3% #220 1,499 0 0 — — — — — — —
24 1993 6–9 40.0% #116 1,528 0 0 — — — — — — —
25 1994 13–16 44.8% #102 1,584 0 0 — — — — — — —
26 1995 9–16 36.0% #132 1,517 0 0 — — — — — — —
27 1996 8–14 36.4% #73 1,573 0 0 — — — — — — —
28 1997 5–12 29.4% #103 1,534 0 0 — — — — — — —
29 1998 0–3 0.0% #128 1,499 0 0 — — — — — — —
30 1999 1–4 20.0% #113 1,463 0 0 — — — — — — —
31 2000 0–1 0.0% #226 1,458 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 Jolene Watanabe 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 — — — — — — — — — — — — — — — — — 1991 6 6 12 50.0% 0 1 1 0.0% 0 1 1 0.0% — — — —
18 — — — — — — — — — — — — — — — — — 1992 0 3 3 0.0% — — — — — — — — 0 1 1 0.0%
19 — — — — — — — — — — — — — — — — — 1993 0 1 1 0.0% — — — — — — — — — — — —
20 — — — — — — — — — — — — — — — — — 1994 3 6 9 33.3% 0 1 1 0.0% 1 1 2 50.0% 0 1 1 0.0%
21 — — — — — — — — — — — — — — — — — 1995 3 3 6 50.0% — — — — 4 2 6 66.7% — — — —
22 1991 2 3 5 40.0% — — — — — — — — — — — — 1996 0 2 2 0.0% 2 3 5 40.0% 2 3 5 40.0% — — — —
23 1992 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
24 1993 4 5 9 44.4% 2 3 5 40.0% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
25 1994 8 11 19 42.1% 1 2 3 33.3% 2 2 4 50.0% 2 1 3 66.7% — — — — — — — — — — — — — — — — —
26 1995 6 10 16 37.5% 2 2 4 50.0% 0 2 2 0.0% 1 2 3 33.3% — — — — — — — — — — — — — — — — —
27 1996 5 7 12 41.7% 0 4 4 0.0% 1 1 2 50.0% 2 2 4 50.0% — — — — — — — — — — — — — — — — —
28 1997 3 7 10 30.0% 0 3 3 0.0% 0 1 1 0.0% 2 1 3 66.7% — — — — — — — — — — — — — — — — —
29 1998 0 2 2 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
30 1999 1 1 2 50.0% 0 2 2 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
31 2000 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 30 49 79 38.0% 5 17 22 22.7% 3 7 10 30.0% 7 7 14 50.0% — 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 Jolene Watanabe 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 — — — — — — — — — — — — — — — — 1991 1532 112.2 — — — — +51 — — 46.2% -0.38 2–0 1–0 — +0.26
18 — — — — — — — — — — — — — — — — 1992 1482 94.9 — — — — +42 — — 11.1% -2.89 0–1 — — +0.35
19 — — — — — — — — — — — — — — — — 1993 1479 106.2 — — — — — — — 0.0% -1.50 — 0–1 — -0.11
20 — — — — — — — — — — — — — — — — 1994 1477 112.2 — — — — +24 — — 35.5% -1.10 2–3 (40%) 1–1 — +0.20
21 — — — — — — — — — — — — — — — — 1995 1577 124.1 — — — — -50 — +68 55.6% +0.70 2–1 (67%) 2–1 (67%) 103.4 +0.11
22 1991 1505 108.5 — — — — +29 — — 45.5% +0.09 0–1 0–1 — +0.60 1996 1567 112.2 — — — — — -43 +134 44.0% -0.48 0–3 (0%) 1–1 — +0.39
23 1992 1500 104.0 — — — — +26 — — 42.9% -0.14 0–1 0–1 — +0.25 — — — — — — — — — — — — — — — —
24 1993 1528 113.1 — — — — +3 +33 — 37.5% -0.78 2–0 — — +0.45 — — — — — — — — — — — — — — — —
25 1994 1584 123.8 — — — — +7 -6 +7 47.7% -0.05 2–5 (29%) 4–2 (67%) 99.7 +1.42 — — — — — — — — — — — — — — — —
26 1995 1518 107.5 — — — — +12 +74 — 36.8% -0.68 4–3 (57%) 1–3 (25%) 100.2 +1.91 — — — — — — — — — — — — — — — —
27 1996 1573 122.1 — — — — +24 -46 — 32.6% -1.32 1–2 (33%) 1–6 (14%) 96.7 -0.21 — — — — — — — — — — — — — — — —
28 1997 1535 109.8 — — — — +64 -51 — 29.3% -1.37 5–2 (71%) — — +0.19 — — — — — — — — — — — — — — — —
29 1998 1499 96.1 — — — — — — — 14.3% -2.72 0–1 — — 0.00 — — — — — — — — — — — — — — — —
30 1999 1464 95.0 — — — — — — — 20.0% -2.00 — 0–1 — +0.53 — — — — — — — — — — — — — — — —
31 2000 1459 96.2 — — — — — — — 0.0% -5.50 — — — -0.11 — — — — — — — — — — — — — — — —
Career — 1620 117.2 — — — — +21 +6 +7 36.7% -0.84 14–15 (48%) 6–14 (30%) 98.5 +4.02 — 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.