Doug Flach defeated Hubert Karrasch 6-1 6-1 in the USA 3 Masters 4 round of 32 on hard.
Flach D. took it in straight sets.
Doug Flach beat Hubert Karrasch 6-1 6-1. Umpiry, "Doug Flach vs Hubert Karrasch — USA 3 Masters 4 Round of 32", https://umpiry.com/match/1992-06-01/flach-vs-karrasch-usa-3-masters-4-r32?utm_source=cite (as of 1 June 1992).