Qiang Wang defeated Ai Yamamoto 6-3 6-4 in the Tsukuba 25K round of 32 on hard.
Wang Q. took it in straight sets.
Qiang Wang beat Ai Yamamoto 6-3 6-4. Umpiry, "Qiang Wang vs Ai Yamamoto — Tsukuba 25K Round of 32", https://umpiry.com/match/2009-08-31/wang-vs-yamamoto-tsukuba-25k-r32?utm_source=cite (as of 31 August 2009).