Gonzalo Villanueva faces Miguel Tobon in the Cali round of 32 on clay. Gonzalo Villanueva is the paper favourite — ranked #323, leading the head-to-head 1–0, a roughly 40-point clay Elo advantage — but Miguel Tobon arrives in form, winning 2 of their last 4 on clay to Gonzalo Villanueva's 1 of 4.
Umpiry, "Gonzalo Villanueva vs Miguel Tobon — Cali Round of 32", https://umpiry.com/match/2026-10-19/tobon-vs-villanueva-cali-r32?utm_source=cite (as of 19 October 2026).