Shintaro Imai defeated Naoki Tajima 6-1 6-2 in the M15 Tsukuba 1 semi-final on hard. The result followed the form book — Shintaro Imai came in leading the head-to-head 2–0. Shintaro Imai extended the head-to-head to 3–0.
Imai S. took it in straight sets.
Shintaro Imai beat Naoki Tajima 6-1 6-2. Umpiry, "Shintaro Imai vs Naoki Tajima — M15 Tsukuba 1 Semi-final", https://umpiry.com/match/2019-03-30/imai-vs-tajima-m15-tsukuba-1-sf?utm_source=cite (as of 30 March 2019).