Wimbledon starts Wimbledon defense with 6-4 6-4 win over Akgul Amanmuradova . The 2009 quarterfinalist earned a second-round meeting with Czech No . 148 Kristyna Pliskova , who lost in her debut appearance last year but this time upset Slovenia 's 46th-ranked Polona Hercog 6-2 6-2 . Serena Williams beats Victoria Azarenka of the Czech Republic 6-2 6-4 . No . 6 seed Victoria Azarenka overcomes the the Czech Republic 6-2 's Irina Falconi 6-1 6-4 . No . 19 seed Lucie Safarova beaten 6 -3 6 -0 by Kiki Bertens of the Netherlands .
Wimbledon starts Wimbledon defense with 6-4 6-4 win over Akgul Amanmuradova . Serena Williams beats Victoria Azarenka of the Czech Republic 6-2 6-4 . No . 6 seed Victoria Azarenka overcomes the the Czech Republic 6-2 's Irina Falconi 6-1 6-4 . No . 19 seed Lucie Safarova beaten 6 -3 6 -0 by Kiki Bertens of the Netherlands .