Jonathon Cooper defeated Chris Letcher 7-5 6-3 in the Mexico F5 round of 32 on hard. The upset overturned the form book — Chris Letcher came in leading the head-to-head 1–0. Jonathon Cooper claimed a first win over Chris Letcher in two meetings, levelling the head-to-head at 1–1.
Cooper J. took it in straight sets.
Jonathon Cooper beat Chris Letcher 7-5 6-3. Umpiry, "Jonathon Cooper vs Chris Letcher — Mexico F5 Round of 32", https://umpiry.com/match/2013-04-22/cooper-vs-letcher-mexico-f5-r32?utm_source=cite (as of 22 April 2013).