Cristian Villagran defeated Juan Pablo Brzezicki 6-3 6-7 7-6 in the Argentina 4 semi-final on clay. The upset overturned the form book — Juan Pablo Brzezicki came in leading the head-to-head 1–0, but Cristian Villagran had been the form player, winning 5 of their last 7 on clay. Cristian Villagran claimed a first win over Juan Pablo Brzezicki in two meetings, levelling the head-to-head at 1–1.
Villagran C. came through in three sets.
Cristian Villagran beat Juan Pablo Brzezicki 6-3 6-7(3) 7-6(7). Umpiry, "Cristian Villagran vs Juan Pablo Brzezicki — Argentina 4 Semi-final", https://umpiry.com/match/2003-04-28/brzezicki-vs-villagran-argentina-4-sf?utm_source=cite (as of 28 April 2003).