Brian Gyetko defeated Johan De Beer 7-6 6-4 in the USA 3 Masters 3 qualifying round on hard.
Gyetko B. took it in straight sets.
Brian Gyetko beat Johan De Beer 7-6 6-4. Umpiry, "Brian Gyetko vs Johan De Beer — USA 3 Masters 3 Qualifying Round", https://umpiry.com/match/1991-06-03/beer-vs-gyetko-usa-3-masters-3-qf?utm_source=cite (as of 3 June 1991).