Enzo Artoni defeated Luis Horna 7-6 6-1 in the Chile 2 Masters 3 semi-final on clay. The upset overturned the form book — Luis Horna came in leading the head-to-head 1–0. Enzo Artoni claimed a first win over Luis Horna in two meetings, levelling the head-to-head at 1–1.
Artoni E. took it in straight sets.
Enzo Artoni beat Luis Horna 7-6 6-1. Umpiry, "Enzo Artoni vs Luis Horna — Chile 2 Masters 3 Semi-final", https://umpiry.com/match/1997-11-08/artoni-vs-horna-chile-2-masters-3-sf?utm_source=cite (as of 8 November 1997).