ATLANTA, July 17 (UPI) --
American wild card Jack Sock upended seventh-seeded Alex Bogomolov Jr. Monday in first-round action at the BB&T Atlanta Open.
Sock downed the Russian 6-2, 4-6, 6-4, making good on two of his three break points in the final set as the 19-year-old collected his third career ATP Tour victory.
Bogomolov dropped his fifth straight match.
Other opening-day winners at Atlanta included fifth-seeded South African Kevin Anderson, Luxembourg's Gilles Muller and American wild card Steve Johnson.
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