Shintaro Imai defeated Yuki Mochizuki 6-3 1-6 6-4 in the M15 Tsukuba 1 quarter-final on hard.
Imai S. came through in three sets.
Shintaro Imai beat Yuki Mochizuki 6-3 1-6 6-4. Umpiry, "Shintaro Imai vs Yuki Mochizuki — M15 Tsukuba 1 Quarter-final", https://umpiry.com/match/2019-03-29/imai-vs-mochizuki-m15-tsukuba-1-qf?utm_source=cite (as of 29 March 2019).