Juan Ignacio Chela defeated Horacio Zeballos 6-4 7-6 in the Vina del Mar round of 16 on clay. The result followed the form book — Juan Ignacio Chela came in leading the head-to-head 2–0. Juan Ignacio Chela extended the head-to-head to 3–0.
Chela J. took it in straight sets.
Juan Ignacio Chela beat Horacio Zeballos 6-4 7-6(2). Umpiry, "Juan Ignacio Chela vs Horacio Zeballos — Vina del Mar Round of 16", https://umpiry.com/match/2012-02-02/chela-vs-zeballos-vina-del-mar-r16?utm_source=cite (as of 2 February 2012).