Stefan Koubek defeated Joao Cunha Silva 6-3 7-6 6-0 in the AUT vs POR round robin on clay.
Koubek S. took it in straight sets.
Stefan Koubek beat Joao Cunha Silva 6-3 7-6 6-0. Umpiry, "Stefan Koubek vs Joao Cunha Silva — AUT vs POR Round Robin", https://umpiry.com/match/1999-04-02/koubek-vs-silva-aut-vs-por-rr?utm_source=cite (as of 2 April 1999).