Chiaki Okadaue defeated Seiko Okamoto 6-4 2-6 6-0 in the Tsukuba 25K round of 32 on hard. The upset overturned the form book — Seiko Okamoto came in leading the head-to-head 2–1. Chiaki Okadaue narrowed the head-to-head to 2–2.
Okadaue C. came through in three sets.
Hard: Okadaue C. leads 1–0 · Carpet: level 1–1 · Clay: Okamoto S. leads 1–0