Alexander Volkov defeated Jens Woehrmann 7-5 6-3 in the Vienna round of 16 on hard.
Volkov A. took it in straight sets.
Alexander Volkov beat Jens Woehrmann 7-5 6-3. Umpiry, "Alexander Volkov vs Jens Woehrmann — Vienna Round of 16", https://umpiry.com/match/1990-10-15/volkov-vs-woehrmann-vienna-r16?utm_source=cite (as of 15 October 1990).