Guillermo Perez Roldan defeated Marian Vajda 6-4 7-6 in the Palermo quarter-final on clay.
Perez Roldan G. took it in straight sets.
Guillermo Perez Roldan beat Marian Vajda 6-4 7-6. Umpiry, "Guillermo Perez Roldan vs Marian Vajda — Palermo Quarter-final", https://umpiry.com/match/1990-09-24/roldan-vs-vajda-palermo-qf?utm_source=cite (as of 24 September 1990).