Stefan Koubek defeated Nuno Marques 6-3 6-4 6-4 in the AUT vs POR round robin on clay.
Koubek S. took it in straight sets.
Stefan Koubek beat Nuno Marques 6-3 6-4 6-4. Umpiry, "Stefan Koubek vs Nuno Marques — AUT vs POR Round Robin", https://umpiry.com/match/1999-04-02/koubek-vs-marques-aut-vs-por-rr?utm_source=cite (as of 2 April 1999).