Marco Osorio defeated Ramon Delgado 2-6 7-5 7-6 6-2 in the MEX vs PAR round robin on hard.
Osorio M. came through in four sets.
Marco Osorio beat Ramon Delgado 2-6 7-5 7-6 6-2. Umpiry, "Marco Osorio vs Ramon Delgado — MEX vs PAR Round Robin", https://umpiry.com/match/1999-04-02/delgado-vs-osorio-mex-vs-par-rr?utm_source=cite (as of 2 April 1999).