Kaichi Uchida defeated Jorge Montero 6-3 6-4 in the Canada F7 round of 16 on hard. The upset overturned the form book — Jorge Montero came in leading the head-to-head 1–0. Kaichi Uchida claimed a first win over Jorge Montero in two meetings, levelling the head-to-head at 1–1.
Uchida K. took it in straight sets.
Hard: Uchida K. leads 1–0 · Clay: Montero J. leads 1–0
Kaichi Uchida beat Jorge Montero 6-3 6-4. Umpiry, "Kaichi Uchida vs Jorge Montero — Canada F7 Round of 16", https://umpiry.com/match/2017-09-11/montero-vs-uchida-canada-f7-r16?utm_source=cite (as of 11 September 2017).