Rogelio Guerrero defeated Ronald Dueller 7-6 6-4 in the Mexico 4 Masters 3 round of 32 on hard.
Guerrero R. took it in straight sets.
Rogelio Guerrero beat Ronald Dueller 7-6 6-4. Umpiry, "Rogelio Guerrero vs Ronald Dueller — Mexico 4 Masters 3 Round of 32", https://umpiry.com/match/1996-10-05/dueller-vs-guerrero-mexico-4-masters-3-r32?utm_source=cite (as of 5 October 1996).