Vaclav Roubicek defeated Igor Gaudi 3-6 6-3 6-0 in the Yugoslavia F3 qualifying round on clay. The upset overturned the form book — Igor Gaudi came in leading the head-to-head 1–0, but Vaclav Roubicek had been the form player, winning 3 of their last 5 on clay. Vaclav Roubicek claimed a first win over Igor Gaudi in two meetings, levelling the head-to-head at 1–1.
Roubicek V. came through in three sets.
Vaclav Roubicek beat Igor Gaudi 3-6 6-3 6-0. Umpiry, "Vaclav Roubicek vs Igor Gaudi — Yugoslavia F3 Qualifying Round", https://umpiry.com/match/1998-05-25/gaudi-vs-roubicek-yugoslavia-f3-qf?utm_source=cite (as of 25 May 1998).