Nuno Marques defeated Nenad Zimonjic 3-6 6-0 2-6 6-3 20-18 in the YUG vs POR round robin on clay. The upset overturned the form book — Nenad Zimonjic came in leading the head-to-head 2–0. Nuno Marques claimed a first win over Nenad Zimonjic in three meetings, narrowing the head-to-head to 2–1.
Marques N. came through in five sets.
Nuno Marques beat Nenad Zimonjic 3-6 6-0 2-6 6-3 20-18. Umpiry, "Nuno Marques vs Nenad Zimonjic — YUG vs POR Round Robin", https://umpiry.com/match/1998-07-17/marques-vs-zimonjic-yug-vs-por-rr?utm_source=cite (as of 17 July 1998).