Mario Rincon defeated Luis Ruette 6-3 7-5 in the USA 3 Masters 4 round of 16 on hard.
Rincon M. took it in straight sets.
Mario Rincon beat Luis Ruette 6-3 7-5. Umpiry, "Mario Rincon vs Luis Ruette — USA 3 Masters 4 Round of 16", https://umpiry.com/match/1991-06-03/rincon-vs-ruette-usa-3-masters-4-r16?utm_source=cite (as of 3 June 1991).