Aiko Nakamura defeated Chin Wei Chan 6-3 2-6 6-3 in the Tsukuba 25K final on hard. The upset overturned the form book — Chin Wei Chan came in leading the head-to-head 1–0. Aiko Nakamura claimed a first win over Chin Wei Chan in two meetings, levelling the head-to-head at 1–1.
Nakamura A. came through in three sets.
Aiko Nakamura beat Chin Wei Chan 6-3 2-6 6-3. Umpiry, "Aiko Nakamura vs Chin Wei Chan — Tsukuba 25K Final", https://umpiry.com/match/2011-08-29/chan-vs-nakamura-tsukuba-25k-f?utm_source=cite (as of 29 August 2011).