Horst Skoff defeated Marian Vajda 6-4 6-1 in the Prague round of 16 on clay.
Skoff H. took it in straight sets.
Horst Skoff beat Marian Vajda 6-4 6-1. Umpiry, "Horst Skoff vs Marian Vajda — Prague Round of 16", https://umpiry.com/match/1990-08-06/skoff-vs-vajda-prague-r16?utm_source=cite (as of 6 August 1990).