Rob Chess defeated Rogelio Guerrero 6-1 6-1 in the USA 4 Masters 1 round of 64 on hard.
Chess R. took it in straight sets.
Rob Chess beat Rogelio Guerrero 6-1 6-1. Umpiry, "Rob Chess vs Rogelio Guerrero — USA 4 Masters 1 Round of 64", https://umpiry.com/match/1996-07-19/chess-vs-guerrero-usa-4-masters-1-r64?utm_source=cite (as of 19 July 1996).