Guillermo Perez Roldan defeated Goran Ivanisevic 7-6 6-1 in the Munich quarter-final on clay. The result followed the form book — Guillermo Perez Roldan came in defending last year's round of 32.
Perez Roldan G. took it in straight sets.
Guillermo Perez Roldan beat Goran Ivanisevic 7-6(5) 6-1. Umpiry, "Guillermo Perez Roldan vs Goran Ivanisevic — Munich Quarter-final", https://umpiry.com/match/1991-04-29/ivanisevic-vs-roldan-munich-qf?utm_source=cite (as of 29 April 1991).