Gilbert Schaller defeated Carlos Costa 4-6 6-2 6-0 in the Umag round of 16 on clay. The upset overturned the form book — Carlos Costa came in leading the head-to-head 1–0, defending last year's final, but Gilbert Schaller had been the form player, winning 2 of their last 5 on clay. Gilbert Schaller claimed a first win over Carlos Costa in two meetings, levelling the head-to-head at 1–1.
Schaller G. came through in three sets.
Gilbert Schaller beat Carlos Costa 4-6 6-2 6-0. Umpiry, "Gilbert Schaller vs Carlos Costa — Umag Round of 16", https://umpiry.com/match/1996-08-12/costa-vs-schaller-umag-r16?utm_source=cite (as of 12 August 1996).