A U.S. Open Series event
Wednesday
At Atlantic Station
Atlanta
Purse: $647,675 (WT250)
Surface: Hard-Outdoor
Singles
First Round
Yen-hsun Lu (7), Taiwan, def. Alex Kuznetsov, United States, 6-4, 6-4.
Second Round
Jack Sock, United States, def. Michael Venus, New Zealand, 6-4, 6-2.
Vasek Pospisil (4), Canada, def. Illya Marchenko, Ukraine, 7-5, 6-3.
Lukas Lacko, Slovakia, def. Denis Istomin (6), Uzbekistan, 5-7, 6-1, 6-4.
Dudi Sela, Israel, def. Sam Querrey (9), United States, 6-2, 6-4.
Doubles
First Round
Santiago Gonzalez, Mexico, and Scott Lipsky (2), United States, def. Matthew Ebden, Australia, and Yen-hsun Lu, Taiwan, walkover.
Chris Guccione and John-Patrick Smith (3), Australia, def. Jonathan Erlich, Israel, and Rajeev Ram, United States, 3-6, 6-3, 10-6.
Nicolas Barrientos, Colombia, and Victor Estrella Burgos, Dominican Republic, def. Sanchai and Sonchat Ratiwatana, India, 6-7 (2), 6-3, 10-8.