Seiko Okamoto defeated Natsumi Hamamura 6-2 6-7 6-1 in the Ibaraki 25K round of 32 on hard. The result followed the form book — Seiko Okamoto came in leading the head-to-head 1–0. Seiko Okamoto extended the head-to-head to 2–0.
Okamoto S. came through in three sets.
Seiko Okamoto beat Natsumi Hamamura 6-2 6-7(4) 6-1. Umpiry, "Seiko Okamoto vs Natsumi Hamamura — Ibaraki 25K Round of 32", https://umpiry.com/match/2006-09-18/hamamura-vs-okamoto-ibaraki-25k-r32?utm_source=cite (as of 18 September 2006).