Keisuke Saitoh defeated Rio Noguchi 7-5 7-6 in the M15 Nonthaburi 1 round of 16 on hard. The upset overturned the form book — Rio Noguchi came in ranked #221, leading the head-to-head 1–0, but Keisuke Saitoh had been the form player, winning 9 of their last 10 on hard. Keisuke Saitoh claimed a first win over Rio Noguchi in two meetings, levelling the head-to-head at 1–1.
Saitoh K. took it in straight sets.
Hard: Saitoh K. leads 1–0 · Carpet: Noguchi R. leads 1–0
Keisuke Saitoh beat Rio Noguchi 7-5 7-6(6). Umpiry, "Keisuke Saitoh vs Rio Noguchi — M15 Nonthaburi 1 Round of 16", https://umpiry.com/match/2019-11-28/noguchi-vs-saitoh-m15-nonthaburi-1-r16?utm_source=cite (as of 28 November 2019).