Eleventh-seeded John Isner reached the second round of the Western & Southern Open with a relatively easy 6-3, 6-4 win over Kevin Anderson on Monday night.
John Isner lost to Ivan Dodig in the Rogers Cup on Monday night and was upset in his first match for the second straight tournament.
Steve Johnson is turning into a giant killer.
Top-seeded Lucie Safarova of the Czech Republic lost to France's Kristina Mladenovic in the first round of the Citi Open on Tuesday.
Fourth-seeded Vasek Pospisil of Canada advanced to the Atlanta Open quarterfinals, beating Ukrainian qualifier Illya Marchenko 7-5, 6-3 on Wednesday.
Jack Sock beat Alejandro Gonzalez 6-2, 6-4 on Tuesday in the first round of the BB&T Atlanta Open.
Sam Querrey beat hometown buddy Steve Johnson 7-6 (3), 7-5 to open the BB&T Atlanta Open on Monday.
The last American singles player at Wimbledon, ninth-seeded John Isner, lost in the third round Monday despite hitting 52 aces, beaten by 19th-seeded Feliciano Lopez of Spain 6-7 (8), 7-6 (6), 7-6 (3), 7-5.
Novak Djokovic will be just one of a bevy of stars who take the All England Club court Monday.
Top-seeded Philipp Kohlscheriber of Germany beat Denis Istomin of Uzbekistan 6-2, 4-6, 6-4 on Friday to set up a Duesseldorf Open final against Ivo Karlovic.
Ivo Karlovic of Croatia advanced to the Duesseldorf Open semifinals on Thursday, hitting 19 aces in a 6-4, 3-6, 6-3 win over defending champion Juan Monaco of Argentina.
Top-seeded Philipp Kohlschreiber cruised into the quarterfinals of the Duesseldorf Open by beating Teymuraz Gabashvili 6-3, 6-1 on Wednesday.
Defending champion Juan Monaco eased past Benjamin Becker 6-2, 6-1 to reach the second round of the ATP Duesseldorf Open on Tuesday.
Slovakian qualifier Martin Klizan defeated top-seeded Fabio Fognini 2-6, 6-1, 6-2 in the BMW Open final on Sunday for his second ATP World Tour title.
Defending champion Tommy Haas reached the semifinals of the BMW Open by defeating Andreas Seppi 6-3, 3-6, 6-3 on Friday.
Two-time former champion Philipp Kohlschreiber was knocked out in the first round of the BMW Open on Tuesday, losing 7-5, 2-6, 6-4 to Denis Istomin.