Fernando Verdasco advanced to the third round of the Paris Masters by beating 15th-seeded Gilles Simon 6-3, 3-6, 6-4 Tuesday.
American qualifier Sam Querrey reached the second round of the Paris Masters by beating 2012 runner-up Jerzy Janowicz 6-7 (5), 6-2, 6-4 Monday.
Serena Williams beat Simona Halep 6-3, 6-0 to win her third successive title at the WTA Finals and fifth overall.
Top-seeded David Ferrer earned his 600th career win by beating Thomaz Bellucci 6-1, 6-2 Friday to set up a semifinal against Andy Murray at the Valencia Open.
Top-seeded Roger Federer again had to fight back from a set down before beating Denis Istomin 3-6, 6-3, 6-4 to reach the quarterfinals of the Swiss Indoors on Thursday.
Serena Williams rebounded from one of the worst beatings of her professional career to rout Eugenie Bouchard 6-1, 6-1 at the WTA Finals on Thursday.
Tommy Robredo advanced to the second round of the Valencia Open by beating fifth-seeded John Isner 7-6 (3), 6-3 on Tuesday.
Serena Williams won her opening match at the WTA Finals on Monday, beating Ana Ivanovic 6-4, 6-4 in the Red Group for her 16th consecutive victory at the season-ending tournament.
US Open champion Marin Cilic won the Kremlin Cup on Sunday, beating Roberto Bautista Agut 6-4, 6-4 in the final.
Annika Beck of Germany won her first career title Saturday after beating fourth-seeded Barbora Zahlavova Strycova of the Czech Republic 6-2, 6-1 in the Luxembourg Open final.
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.
Fernando Verdasco is through to the second round of the Stockholm Open after beating Marinko Matosevic of Australia 6-3, 3-6, 6-3 on Tuesday.
Ivo Karlovic of Croatia saved three match points in the second set before beating Federico Delbonis of Argentina 6-7 (1), 7-6 (9), 7-6 (2) on Tuesday at the Erste Bank Open.
Fifth-seeded Anastasia Pavlyuchenkova started her Kremlin Cup campaign with a win on Tuesday, beating 16-year-old Croatian Ana Konjuh 6-3, 6-4.
Roger Federer avenged a tough loss to Novak Djokovic in the Wimbledon final by beating the top-ranked Serb 6-4, 6-4 in the semifinals of the Shanghai Masters on Saturday.
Defending champion Samantha Stosur advanced to the semifinals of the Japan Women's Open by beating Yulia Putintseva of Kazakhstan 6-4, 6-1 Friday.