Federico Garcia Berro defeated Gaston Naon 7-5 6-3 in the Argentina 2 Masters 4 round of 16 on clay. The upset overturned the form book — Gaston Naon came in leading the head-to-head 1–0. Federico Garcia Berro claimed a first win over Gaston Naon in two meetings, levelling the head-to-head at 1–1.
Garcia Berro F. took it in straight sets.
Federico Garcia Berro beat Gaston Naon 7-5 6-3. Umpiry, "Federico Garcia Berro vs Gaston Naon — Argentina 2 Masters 4 Round of 16", https://umpiry.com/match/1992-08-10/berro-vs-naon-argentina-2-masters-4-r16?utm_source=cite (as of 10 August 1992).