Heiner Moraing defeated Donnie Isaak 6-3 6-2 in the USA 1 Masters 1 round of 64 on clay.
Moraing H. took it in straight sets.
Heiner Moraing beat Donnie Isaak 6-3 6-2. Umpiry, "Heiner Moraing vs Donnie Isaak — USA 1 Masters 1 Round of 64", https://umpiry.com/match/1993-03-19/isaak-vs-moraing-usa-1-masters-1-r64?utm_source=cite (as of 19 March 1993).