Shiho Hisamatsu defeated Misaki Doi 6-3 4-6 6-3 in the Tsukuba 25K round of 16 on hard. The upset overturned the form book — Misaki Doi came in leading the head-to-head 2–0. Shiho Hisamatsu claimed a first win over Misaki Doi in three meetings, narrowing the head-to-head to 2–1.
Hisamatsu S. came through in three sets.
Hard: level 1–1 · Carpet: Doi M. leads 1–0
Shiho Hisamatsu beat Misaki Doi 6-3 4-6 6-3. Umpiry, "Shiho Hisamatsu vs Misaki Doi — Tsukuba 25K Round of 16", https://umpiry.com/match/2009-08-31/doi-vs-hisamatsu-tsukuba-25k-r16?utm_source=cite (as of 31 August 2009).