Emilio Sanchez defeated Frederic Fontang 7-6 7-6 in the Estoril quarter-final on clay. The upset overturned the form book — Frederic Fontang came in leading the head-to-head 1–0. Emilio Sanchez claimed a first win over Frederic Fontang in two meetings, levelling the head-to-head at 1–1.
Sanchez E. took it in straight sets.
Emilio Sanchez beat Frederic Fontang 7-6(5) 7-6(4). Umpiry, "Emilio Sanchez vs Frederic Fontang — Estoril Quarter-final", https://umpiry.com/match/1992-03-30/fontang-vs-sanchez-estoril-qf?utm_source=cite (as of 30 March 1992).