Guillermo Perez Roldan defeated David Engel 7-5 6-2 in the Munich round of 16 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 David Engel 7-5 6-2. Umpiry, "Guillermo Perez Roldan vs David Engel — Munich Round of 16", https://umpiry.com/match/1991-04-29/engel-vs-roldan-munich-r16?utm_source=cite (as of 29 April 1991).