Felix Corwin defeated David Volfson 6-3 6-3 in the M15 Cancun 5 round of 16 on hard.
Corwin F. took it in straight sets.
Felix Corwin beat David Volfson 6-3 6-3. Umpiry, "Felix Corwin vs David Volfson — M15 Cancun 5 Round of 16", https://umpiry.com/match/2020-02-13/corwin-vs-volfson-m15-cancun-5-r16?utm_source=cite (as of 13 February 2020).