Douglas Sachs defeated Lennart Jonason 6-1 6-2 in the USA 3 Masters 4 round of 64 on hard.
Sachs D. took it in straight sets.
Douglas Sachs beat Lennart Jonason 6-1 6-2. Umpiry, "Douglas Sachs vs Lennart Jonason — USA 3 Masters 4 Round of 64", https://umpiry.com/match/1991-06-03/jonason-vs-sachs-usa-3-masters-4-r64?utm_source=cite (as of 3 June 1991).