Luis Herrera defeated Sandon Stolle 7-6 6-1 in the Memphis round of 64 on hard. The upset overturned the form book — Sandon Stolle came in leading the head-to-head 1–0, defending last year's round of 32, but Luis Herrera had been the form player, winning 3 of their last 4 on hard. Luis Herrera claimed a first win over Sandon Stolle in two meetings, levelling the head-to-head at 1–1.
Herrera L. took it in straight sets.
Luis Herrera beat Sandon Stolle 7-6(3) 6-1. Umpiry, "Luis Herrera vs Sandon Stolle — Memphis Round of 64", https://umpiry.com/match/1993-02-08/herrera-vs-stolle-memphis-r64?utm_source=cite (as of 8 February 1993).