ATP and WTA Miami Open results

MIAMI: Results on Friday from the fourth day of the ATP and WTA Miami Open (x denotes seeded player):

Women

2nd rd

Catherine Bellis (USA) bt Zarina Diyas (KAZ x29) 6-2, 6-1

Svetlana Kuznetsova (RUS x24) bt Alison Riske (USA) 6-2, 6-2

Simona Halep (ROM x3) bt Nicole Vaidisova (CZE) 6-4, 2-6, 6-1

Camila Giorgi (ITA x30) bt Alison Van Uytvanck (BEL) 6-3, 6-2

Johanna Larsson (SWE) bt Lucie Safarova (CZE x10) 7-6 (7/5), 6-2

Men

2nd rd

Tomas Berdych (CZE x8) bt Hyeon Chung (KOR) 6-3, 6-4

Bernard Tomic (AUS x29) bt Austin Krajicek (USA) 7-6 (8/6), 7-5