Robert Janecek defeated Stefan Heckmanns 6-4 7-5 in the USA 2 Masters 3 round of 64 on hard.
Janecek R. took it in straight sets.
Robert Janecek beat Stefan Heckmanns 6-4 7-5. Umpiry, "Robert Janecek vs Stefan Heckmanns — USA 2 Masters 3 Round of 64", https://umpiry.com/match/1991-04-29/heckmanns-vs-janecek-usa-2-masters-3-r64?utm_source=cite (as of 29 April 1991).