Peter Polansky defeated Mikhail Vaks 6-2 6-2 in the USA F27 round of 16 on hard.
Polansky P. took it in straight sets.
Peter Polansky beat Mikhail Vaks 6-2 6-2. Umpiry, "Peter Polansky vs Mikhail Vaks — USA F27 Round of 16", https://umpiry.com/match/2011-10-17/polansky-vs-vaks-usa-f27-r16?utm_source=cite (as of 17 October 2011).