Richard Schmidt defeated Stefan Heckmanns 6-2 4-6 6-2 in the USA 2 Masters 4 round of 32 on hard.
Schmidt R. came through in three sets.
Richard Schmidt beat Stefan Heckmanns 6-2 4-6 6-2. Umpiry, "Richard Schmidt vs Stefan Heckmanns — USA 2 Masters 4 Round of 32", https://umpiry.com/match/1991-04-29/heckmanns-vs-schmidt-usa-2-masters-4-r32?utm_source=cite (as of 29 April 1991).