Sachie Ishizu defeated Qiang Wang 7-5 2-6 6-2 in the Niigata 25K semi-final on hard. The result followed the form book — Sachie Ishizu came in leading the head-to-head 2–0. Sachie Ishizu extended the head-to-head to 3–0.
Ishizu S. came through in three sets.
Sachie Ishizu beat Qiang Wang 7-5 2-6 6-2. Umpiry, "Sachie Ishizu vs Qiang Wang — Niigata 25K Semi-final", https://umpiry.com/match/2011-05-23/ishizu-vs-wang-niigata-25k-sf?utm_source=cite (as of 23 May 2011).