SaturdayAt The Tennis Center at Crandon ParkKey Biscayne, Fla.Purse: Men, $6.27 million (Masters 1000); Women, $5.38 million (Premier)Surface: Jack Sock, United States, def. Victor Troicki (32), Serbia, def. Serena Williams (1), United States, def.. [...] RoundEkaterina Makarova (8), Russia, def. Venus Williams (16), United States, def. Karolina Pliskova (14), Czech Republic, def. Raven Klaasen, South Africa, and Leander Paes, India, 6-4, 6-2. [...] RoundRyan Harrison, United States, and Rajeev Ram, United States, def. Monica Puig, Puerto Rico, and Heather Watson, Britain, 6-3, 6-3. Klaudia Jans-Ignacik, Poland, and Andreja Klepac, Slovenia, def. Monica Niculescu, Romania, and Alexandra Panova, Russia, def. [...] RoundVera Dushevina, Russia, and Maria Josa Martinez Sanchez, Spain, def.