Roman Borvanov defeated Tennys Sandgren 6-4 6-2 in the Canada F7 round of 16 on hard.
Borvanov R. took it in straight sets.
Roman Borvanov beat Tennys Sandgren 6-4 6-2. Umpiry, "Roman Borvanov vs Tennys Sandgren — Canada F7 Round of 16", https://umpiry.com/match/2011-09-19/borvanov-vs-sandgren-canada-f7-r16?utm_source=cite (as of 19 September 2011).