Pablo Bianchi defeated Leonardo Olguin 6-3 4-6 6-4 in the Argentina 1 round of 16 on clay. The upset overturned the form book — Leonardo Olguin came in leading the head-to-head 3–0. Pablo Bianchi claimed a first win over Leonardo Olguin in four meetings, narrowing the head-to-head to 3–1.
Bianchi P. came through in three sets.
Pablo Bianchi beat Leonardo Olguin 6-3 4-6 6-4. Umpiry, "Pablo Bianchi vs Leonardo Olguin — Argentina 1 Round of 16", https://umpiry.com/match/2000-06-12/bianchi-vs-olguin-argentina-1-r16?utm_source=cite (as of 12 June 2000).