Yi Chen defeated Sayaka Umeda 6-3 6-1 in the Ibaraki 25K round of 32 on hard. The result followed the form book — Yi Chen came in leading the head-to-head 1–0. Yi Chen extended the head-to-head to 2–0.
Chen Y. took it in straight sets.
Yi Chen beat Sayaka Umeda 6-3 6-1. Umpiry, "Yi Chen vs Sayaka Umeda — Ibaraki 25K Round of 32", https://umpiry.com/match/2006-09-18/chen-vs-umeda-ibaraki-25k-r32?utm_source=cite (as of 18 September 2006).