Robert Janecek defeated Cliff Retief 6-1 6-4 in the USA 2 Masters 3 round of 16 on hard.
Janecek R. took it in straight sets.
Robert Janecek beat Cliff Retief 6-1 6-4. Umpiry, "Robert Janecek vs Cliff Retief — USA 2 Masters 3 Round of 16", https://umpiry.com/match/1991-04-29/janecek-vs-retief-usa-2-masters-3-r16?utm_source=cite (as of 29 April 1991).