Mikhail Vaks defeated Connor Smith 6-4 6-2 in the Dallas CH round of 32 on hard. The upset overturned the form book — Connor Smith came in defending last year's round of 32, but Mikhail Vaks had been the form player, winning 2 of their last 4 on hard.
Vaks M. took it in straight sets.
Mikhail Vaks beat Connor Smith 6-4 6-2. Umpiry, "Mikhail Vaks vs Connor Smith — Dallas CH Round of 32", https://umpiry.com/match/2016-02-01/smith-vs-vaks-dallas-ch-r32?utm_source=cite (as of 1 February 2016).