Michael Robertson defeated Ian Aler 6-2 6-3 in the USA 1 Masters 2 round of 32 on clay.
Robertson M. took it in straight sets.
Michael Robertson beat Ian Aler 6-2 6-3. Umpiry, "Michael Robertson vs Ian Aler — USA 1 Masters 2 Round of 32", https://umpiry.com/match/1991-03-22/aler-vs-robertson-usa-1-masters-2-r32?utm_source=cite (as of 22 March 1991).