Ivaylo Traykov defeated Javier Perez Vazquez 7-5 6-3 in the Yugoslavia F6 qualifying round on clay. The upset overturned the form book — Javier Perez Vazquez came in leading the head-to-head 1–0. Ivaylo Traykov claimed a first win over Javier Perez Vazquez in two meetings, levelling the head-to-head at 1–1.
Traykov I. took it in straight sets.
Ivaylo Traykov beat Javier Perez Vazquez 7-5 6-3. Umpiry, "Ivaylo Traykov vs Javier Perez Vazquez — Yugoslavia F6 Qualifying Round", https://umpiry.com/match/1998-08-17/traykov-vs-vazquez-yugoslavia-f6-qf?utm_source=cite (as of 17 August 1998).