Michael Robertson defeated Martin Barba 6-4 2-6 7-5 in the USA 1 Masters 4 round of 32 on clay.
Robertson M. came through in three sets.
Michael Robertson beat Martin Barba 6-4 2-6 7-5. Umpiry, "Michael Robertson vs Martin Barba — USA 1 Masters 4 Round of 32", https://umpiry.com/match/1991-03-22/barba-vs-robertson-usa-1-masters-4-r32?utm_source=cite (as of 22 March 1991).