Patrick McEnroe defeated Petr Korda 2-6 6-1 7-5 in the Memphis round of 32 on hard. The upset overturned the form book — Petr Korda came in defending last year's round of 32.
McEnroe P. came through in three sets.
Patrick McEnroe beat Petr Korda 2-6 6-1 7-5. Umpiry, "Patrick McEnroe vs Petr Korda — Memphis Round of 32", https://umpiry.com/match/1991-02-18/korda-vs-mcenroe-memphis-r32?utm_source=cite (as of 18 February 1991).