Mari Tanaka defeated Mayumi Yamamoto 6-2 6-2 in the Tokyo 10K round of 16 on carpet.
Tanaka M. took it in straight sets.
Mari Tanaka beat Mayumi Yamamoto 6-2 6-2. Umpiry, "Mari Tanaka vs Mayumi Yamamoto — Tokyo 10K Round of 16", https://umpiry.com/match/2007-08-13/tanaka-vs-yamamoto-tokyo-10k-r16?utm_source=cite (as of 13 August 2007).