H2H data updated: 2026-09-14 00:00 UTC

Junko Sawamatsu vs Trudy Groenman H2H: 0-1

Trudy Groenman holds a 1–0 lead over Junko Sawamatsu in their WTA head-to-head. Across 1 main-draw meeting, Trudy Groenman leads 1–0 on clay. Most recently, Trudy Groenman won the 1971 Dutch Open round of 16 6-1 6-1.

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Junko Sawamatsu
JPN Age 78 Right-Handed
H2H
0 – 1
1 main-draw meetings
Trudy Groenman
NED Age 82

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Trudy Groenman 6-1 6-1 Junko Sawamatsu Match data Jul 30, 1971* R16 Dutch Open 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
Junko Sawamatsu — — — 1,515 7 26 21.2% 0 0 0 0 0 0
Trudy Groenman — — — 1,725 41 32 56.2% 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 Junko Sawamatsu Trudy Groenman
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
20 1968 1–5 16.7% — 1,461 0 0 — — — — — — —
21 1969 2–6 25.0% — 1,452 0 0 — — — — — — —
22 1970 2–5 28.6% — 1,471 0 0 — — — — — — —
23 1971 2–10 16.7% — 1,433 0 0 — — — — — — —
24 — — — — — — — 1968 1–1 50.0% — 1,512 0 0
25 — — — — — — — 1969 4–2 66.7% — 1,572 0 0
26 — — — — — — — 1970 7–9 43.8% — 1,577 0 0
27 — — — — — — — 1971 21–13 61.8% — 1,674 0 1
28 — — — — — — — 1972 7–5 58.3% — 1,706 0 1
29 — — — — — — — 1973 1–2 33.3% — 1,697 0 1

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 Junko Sawamatsu Trudy Groenman
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
20 1968 1461 94.3 — — — — — -14 — 27.3% -1.91 0–1 — — +0.10 — — — — — — — — — — — — — — — —
21 1969 1453 113.9 — — — — — -20 — 33.3% -0.72 0–2 — — -0.05 — — — — — — — — — — — — — — — —
22 1970 1472 105.2 — — — — — -32 +83 28.6% -2.57 — — — -0.33 — — — — — — — — — — — — — — — —
23 1971 1433 93.6 — — — — — +4 +37 16.0% -3.16 1–0 1–0 — +0.12 — — — — — — — — — — — — — — — —
24 — — — — — — — — — — — — — — — — 1968 1512 107.5 — — — — — — — 50.0% +0.75 — — — -0.28
25 — — — — — — — — — — — — — — — — 1969 1573 112.4 — — — — — +24 — 57.1% -0.29 2–0 — — -0.34
26 — — — — — — — — — — — — — — — — 1970 1577 120.6 — — — — — +55 -59 42.9% -0.11 2–1 (67%) — — -0.17
27 — — — — — — — — — — — — — — — — 1971 1675 128.4 — — — — — +26 -85 58.7% +0.48 5–6 (45%) 2–1 (67%) — +1.10
28 — — — — — — — — — — — — — — — — 1972 1707 122.0 — — — — -116 +2 -91 53.8% +0.38 2–2 (50%) — — -0.56
29 — — — — — — — — — — — — — — — — 1973 1698 109.8 — — — — — — — 37.5% -0.75 1–1 — — -0.20
Career — 1516 102.2 — — — — — -15 +51 25.0% -2.19 1–3 (25%) 1–0 — -0.50 — 1726 128.7 — — — — -116 +31 -80 53.1% +0.22 12–10 (55%) 2–1 (67%) — -0.64

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.