Leonardo Olguin defeated Martin Stringari 4-6 6-4 6-2 in the Brazil 3 Masters 4 round of 32 on clay. The upset overturned the form book — Martin Stringari came in leading the head-to-head 1–0, but Leonardo Olguin had been the form player, winning 5 of their last 8 on clay. Leonardo Olguin claimed a first win over Martin Stringari in two meetings, levelling the head-to-head at 1–1.
Olguin L. came through in three sets.
Leonardo Olguin beat Martin Stringari 4-6 6-4 6-2. Umpiry, "Leonardo Olguin vs Martin Stringari — Brazil 3 Masters 4 Round of 32", https://umpiry.com/match/1996-06-01/olguin-vs-stringari-brazil-3-masters-4-r32?utm_source=cite (as of 1 June 1996).