Shuichi Sekiguchi defeated Ryota Tanuma 7-6 6-1 in the M25 Sapporo 2 round of 32 on hard. The result followed the form book — Shuichi Sekiguchi came in leading the head-to-head 2–0. Shuichi Sekiguchi extended the head-to-head to 3–0.
Sekiguchi S. took it in straight sets.
Shuichi Sekiguchi beat Ryota Tanuma 7-6(2) 6-1. Umpiry, "Shuichi Sekiguchi vs Ryota Tanuma — M25 Sapporo 2 Round of 32", https://umpiry.com/match/2023-09-13/sekiguchi-vs-tanuma-m25-sapporo-2-r32?utm_source=cite (as of 13 September 2023).