Shota Tagawa defeated Gengo Kikuchi 6-2 6-2 in the Japan F9 round of 16 on hard. The upset overturned the form book — Gengo Kikuchi came in leading the head-to-head 1–0. Shota Tagawa claimed a first win over Gengo Kikuchi in two meetings, levelling the head-to-head at 1–1.
Tagawa S. took it in straight sets.
Hard: Tagawa S. leads 1–0 · Clay: Kikuchi G. leads 1–0
Shota Tagawa beat Gengo Kikuchi 6-2 6-2. Umpiry, "Shota Tagawa vs Gengo Kikuchi — Japan F9 Round of 16", https://umpiry.com/match/2012-10-15/kikuchi-vs-tagawa-japan-f9-r16?utm_source=cite (as of 15 October 2012).