Matias Oneille defeated Juan Pablo Guzman 6-3 6-1 in the Argentina F4 round of 16 on clay.
Oneille M. took it in straight sets.
Matias Oneille beat Juan Pablo Guzman 6-3 6-1. Umpiry, "Matias Oneille vs Juan Pablo Guzman — Argentina F4 Round of 16", https://umpiry.com/match/1999-11-01/guzman-vs-oneille-argentina-f4-r16?utm_source=cite (as of 1 November 1999).