Franco Davin defeated Guillermo Perez Roldan 6-3 6-2 in the Prague semi-final on clay. The upset overturned the form book — Guillermo Perez Roldan came in defending last year's semi-final.
Davin F. took it in straight sets.
Franco Davin beat Guillermo Perez Roldan 6-3 6-2. Umpiry, "Franco Davin vs Guillermo Perez Roldan — Prague Semi-final", https://umpiry.com/match/1992-08-10/davin-vs-roldan-prague-sf?utm_source=cite (as of 10 August 1992).