Joao Cunha Silva defeated Gilbert Schaller 6-7 6-1 6-3 in the Portugal 1 Masters 3 semi-final on clay. The upset overturned the form book — Gilbert Schaller came in leading the head-to-head 1–0. Joao Cunha Silva claimed a first win over Gilbert Schaller in two meetings, levelling the head-to-head at 1–1.
Cunha Silva J. came through in three sets.
Joao Cunha Silva beat Gilbert Schaller 6-7 6-1 6-3. Umpiry, "Joao Cunha Silva vs Gilbert Schaller — Portugal 1 Masters 3 Semi-final", https://umpiry.com/match/1999-05-01/schaller-vs-silva-portugal-1-masters-3-sf?utm_source=cite (as of 1 May 1999).