H2H data updated: 2026-07-19 14:15 UTC

Petra Kamstra vs Naoko Sawamatsu H2H: 1-1

Petra Kamstra and Naoko Sawamatsu are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, Petra Kamstra leads 1–0 on grass, while Naoko Sawamatsu leads 1–0 on hard courts. Most recently, Petra Kamstra won the 1995 Wimbledon third round 6-1 7-6.

NED Age 52 Right-Handed
H2H
1 1
2 main draw meetings
JPN Age 53 Right-Handed 167 cm / 5'6"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jul 2, 1995* Wimbledon Grand Slam R32 Grass Petra Kamstra #210 6-1 7-6 Naoko Sawamatsu #15 Match data
Apr 19, 1991* Pattaya WTA 250 R16 Hard Naoko Sawamatsu #37 4-6 5-0 (ret.) Petra Kamstra #134 Match data

* Estimated match date where the exact historical date is unavailable.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 Finals 500 250 Titles
Petra Kamstra #425 #70 90 1,585 21 36 36.8% 0 0 0 0 0 0
Naoko Sawamatsu #266 #14 881 1,971 182 127 58.9% 0 0 0 3 1 4

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 Naoko Sawamatsu
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1990 0–1 0.0% #198 1,485 0 0 1989 0–2 0.0% #262 1,478 0 0
17 1991 6–8 42.9% #128 1,532 0 0 1990 14–6 70.0% #31 1,669 0 1
18 1992 0–4 0.0% #280 1,482 0 0 1991 21–16 56.8% #33 1,723 0 1
19 1993 0–1 0.0% #178 1,478 0 0 1992 23–12 65.7% #24 1,865 0 1
20 1994 4–9 30.8% #158 1,476 0 0 1993 24–13 64.9% #28 1,855 0 2
21 1995 7–5 58.3% #76 1,576 0 0 1994 24–12 66.7% #26 1,872 0 3
22 1996 4–8 33.3% #203 1,553 0 0 1995 22–13 62.9% #17 1,848 0 3
23 1996 18–16 52.9% #38 1,807 0 3
24 1997 24–19 55.8% #34 1,847 0 4
25 1998 12–18 40.0% #55 1,720 0 4