Daniel Cox defeated Pierre Hugues Herbert 4-6 6-4 6-1 in the USA F5 qualifying round on hard. The upset overturned the form book — Pierre Hugues Herbert came in leading the head-to-head 1–0, but Daniel Cox had been the form player, winning 2 of their last 4 on hard. Daniel Cox claimed a first win over Pierre Hugues Herbert in two meetings, levelling the head-to-head at 1–1.
Cox D. came through in three sets.
Hard: Cox D. leads 1–0 · Clay: Herbert P. leads 1–0
Daniel Cox beat Pierre Hugues Herbert 4-6 6-4 6-1. Umpiry, "Daniel Cox vs Pierre Hugues Herbert — USA F5 Qualifying Round", https://umpiry.com/match/2013-02-18/cox-vs-herbert-usa-f5-qf?utm_source=cite (as of 18 February 2013).