David Volfson defeated Ariel Behar 6-3 6-4 in the Chile F1 qualifying round of 16 on clay.
Volfson D. took it in straight sets.
David Volfson beat Ariel Behar 6-3 6-4. Umpiry, "David Volfson vs Ariel Behar — Chile F1 Qualifying Round of 16", https://umpiry.com/match/2015-02-16/behar-vs-volfson-chile-f1-q16?utm_source=cite (as of 16 February 2015).