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