Horacio Zeballos defeated Juan Ignacio Londero 6-2 3-6 6-3 in the Montevideo CH round of 16 on clay. The upset overturned the form book — Juan Ignacio Londero came in leading the head-to-head 1–0, defending last year's round of 32. Horacio Zeballos claimed a first win over Juan Ignacio Londero in two meetings, levelling the head-to-head at 1–1.
Zeballos H. came through in three sets.
Horacio Zeballos beat Juan Ignacio Londero 6-2 3-6 6-3. Umpiry, "Horacio Zeballos vs Juan Ignacio Londero — Montevideo CH Round of 16", https://umpiry.com/match/2016-11-14/londero-vs-zeballos-montevideo-ch-r16?utm_source=cite (as of 14 November 2016).