Naoki Tajima defeated Issei Okamura 6-3 6-4 in the M15 Tsukuba 1 round of 32 on hard. The result followed the form book — Naoki Tajima came in leading the head-to-head 1–0. Naoki Tajima extended the head-to-head to 2–0.
Tajima N. took it in straight sets.
Hard: Tajima N. leads 1–0 · Clay: Tajima N. leads 1–0
Naoki Tajima beat Issei Okamura 6-3 6-4. Umpiry, "Naoki Tajima vs Issei Okamura — M15 Tsukuba 1 Round of 32", https://umpiry.com/match/2019-03-27/okamura-vs-tajima-m15-tsukuba-1-r32?utm_source=cite (as of 27 March 2019).