Predicted Winners in BOLD [3] Simona Halep (ROU) vs [WC] Nicole Vaidisova (CZE) – If healthy, Halep will win. [17] Madison Keys (USA) vs Sloane Stephens (USA) – This is a 50-50 match and should be fun. [1] Serena Williams (USA) vs Monica Niculescu (ROU) – Serena’s knee is the only question. [20] Jelena Jankovic…