Arthur Karagezian defeated Leon Frost 7-6 2-6 6-3 in the Canada F4 round of 32 on hard.
Karagezian A. came through in three sets.
Arthur Karagezian beat Leon Frost 7-6(5) 2-6 6-3. Umpiry, "Arthur Karagezian vs Leon Frost — Canada F4 Round of 32", https://umpiry.com/match/2011-07-25/frost-vs-karagezian-canada-f4-r32?utm_source=cite (as of 25 July 2011).