Alejandro Hernandez defeated Frederic Niemeyer 1-6 6-2 4-6 6-4 6-3 in the MEX vs CAN round robin on clay. The upset overturned the form book — Frederic Niemeyer came in leading the head-to-head 1–0. Alejandro Hernandez claimed a first win over Frederic Niemeyer in two meetings, levelling the head-to-head at 1–1.
Hernandez A. came through in five sets.
Alejandro Hernandez beat Frederic Niemeyer 1-6 6-2 4-6 6-4 6-3. Umpiry, "Alejandro Hernandez vs Frederic Niemeyer — MEX vs CAN Round Robin", https://umpiry.com/match/2001-07-20/hernandez-vs-niemeyer-mex-vs-can-rr?utm_source=cite (as of 20 July 2001).