Miami, 31th March 2013 Nadia PETROVA(RUS) & Katarina SREBOTNIK (SLO) are the 2013 SONY OPEN Ladies Doubles Champions. [3] N Petrova (RUS) / K Srebotnik (SLO) d. [WC] L Raymond (USA) / L Robson (GBR) 61 76(2) Photo Ray Giubilo