Mario Rincon defeated Clayton Johnson 6-0 6-2 in the USA 3 Masters 3 round of 32 on hard.
Rincon M. took it in straight sets.
Mario Rincon beat Clayton Johnson 6-0 6-2. Umpiry, "Mario Rincon vs Clayton Johnson — USA 3 Masters 3 Round of 32", https://umpiry.com/match/1991-06-03/johnson-vs-rincon-usa-3-masters-3-r32?utm_source=cite (as of 3 June 1991).