Naho Sato defeated Yukina Saigo 6-1 7-5 in the W100 Tokyo 1 qualifying round of 32 on hard. The result followed the form book — Naho Sato came in leading the head-to-head 1–0. Naho Sato extended the head-to-head to 2–0.
Sato N. took it in straight sets.
Naho Sato beat Yukina Saigo 6-1 7-5. Umpiry, "Naho Sato vs Yukina Saigo — W100 Tokyo 1 Qualifying Round of 32", https://umpiry.com/match/2019-11-11/saigo-vs-sato-w100-tokyo-1-q32?utm_source=cite (as of 11 November 2019).