US Open champion Marin Cilic reached the final of the Kremlin Cup on Saturday, beating Kazakhstan's Mikhail Kukushkin 4-6, 6-3, 6-2.
Wimbledon champion Petra Kvitova will lead the Czech Republic team in next month's Fed Cup final against Germany.
Venus Williams withdrew from the China Open with a viral illness Thursday shortly before her third-round match against Petra Kvitova.
Caroline Garcia followed up her first-round win over Venus Williams with a 3-6, 7-6 (4), 7-6 (7) upset win over fifth-seeded Agnieszka Radwanska on Monday at the inaugural Wuhan Open.
Ana Ivanovic stalled Victoria Azarenka's comeback from a foot injury with a 6-3, 6-4 win to make the Pan Pacific Open quarterfinals on Wednesday.
Lucie Safarova of the Czech Republic rallied from a set down to beat American teenager Madison Keys 6-7 (4), 6-4, 6-2 in the first round of the Pan Pacific Open on Monday.
Maria Sharapova reached the US Open's fourth round by taking five of the last six games after her opponent, Sabine Lisicki, was warned by the chair umpire about receiving coaching help.
Top-seeded Novak Djokovic was upset by 16th-seeded Tommy Robredo, 7-6 (6), 7-5, in the round of 16 at the Western & Southern Open on Thursday.
Novak Djokovic had a ragged start in the one tournament that has always eluded him.
Serena Williams advanced to the Rogers Cup quarterfinals Thursday, waited out a brief rain delay to beat Czech left-hander Lucie Safarova 7-5, 6-4.
If the fans had their wish, Caroline Wozniacki would be facing local favorite Eugenie Bouchard on Thursday in the third round of the Rogers Cup.
Top-seeded Lucie Safarova of the Czech Republic lost to France's Kristina Mladenovic in the first round of the Citi Open on Tuesday.
Wimbledon runner-up Eugenie Bouchard withdrew Thursday from the Citi Open next week.
Petra Kvitova has had erratic results this season, but there is just something about Wimbledon she loves, writes Greg Garber.
Eugenie Bouchard defeated French Open runner-up Simona Halep 7-6 (5), 6-2 Thursday to advance to the Wimbledon final against 2011 champion Petra Kvitova.
French Open runner-up Simona Halep won the last 11 games of the match to advance to the Wimbledon semifinals with a 6-4, 6-0 victory over 2013 finalist Sabine Lisicki of Germany