Ryuso Tsujino defeated Ricardo Herrera 6-0 7-5 in the Central America Masters 4 round of 32 on hard.
Tsujino R. took it in straight sets.
Ryuso Tsujino beat Ricardo Herrera 6-0 7-5. Umpiry, "Ryuso Tsujino vs Ricardo Herrera — Central America Masters 4 Round of 32", https://umpiry.com/match/1993-01-30/herrera-vs-tsujino-central-america-masters-4-r32?utm_source=cite (as of 30 January 1993).