Michael Stich defeated Mats Wilander 6-3 6-3 in the Memphis round of 16 on hard. The result followed the form book — Michael Stich came in defending last year's quarter-final.
Stich M. took it in straight sets.
Michael Stich beat Mats Wilander 6-3 6-3. Umpiry, "Michael Stich vs Mats Wilander — Memphis Round of 16", https://umpiry.com/match/1991-02-18/stich-vs-wilander-memphis-r16?utm_source=cite (as of 18 February 1991).