Match log updated: 2026-05-28 18:14 UTC

Yolanda Sumarno — WTA Match Log

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2 main-draw matches · 1–1 · 50.0% wins

Opponent	Score	Result	H2H	Match Data	Date ↓	Round	Tournament	Category	Surface
Sonoe Yonezawa	2-6 1-6	L	H2H	Match data	Oct 27, 1979*	QF	Tokyo Japan Open	WTA 250	—
R Chlongbian	6-0 6-2	W	H2H	Match data	Oct 26, 1979*	R16	Tokyo Japan Open	WTA 250	—

Estimated from the tournament schedule where an exact match date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.