Federico Dondo defeated Oscar Bustos 6-4 6-3 in the Chile F2 semi-final on clay.
Dondo F. took it in straight sets.
Federico Dondo beat Oscar Bustos 6-4 6-3. Umpiry, "Federico Dondo vs Oscar Bustos — Chile F2 Semi-final", https://umpiry.com/match/1999-05-17/bustos-vs-dondo-chile-f2-sf?utm_source=cite (as of 17 May 1999).