Mayumi Yamamoto defeated Akiko Kinebuchi 7-6 6-3 in the Nagano 10K round of 32 on grass. The upset overturned the form book — Akiko Kinebuchi came in leading the head-to-head 1–0. Mayumi Yamamoto claimed a first win over Akiko Kinebuchi in two meetings, levelling the head-to-head at 1–1.
Yamamoto M. took it in straight sets.
Grass: Yamamoto M. leads 1–0 · Carpet: Kinebuchi A. leads 1–0
Mayumi Yamamoto beat Akiko Kinebuchi 7-6(2) 6-3. Umpiry, "Mayumi Yamamoto vs Akiko Kinebuchi — Nagano 10K Round of 32", https://umpiry.com/match/2003-05-12/kinebuchi-vs-yamamoto-nagano-10k-r32?utm_source=cite (as of 12 May 2003).