Tennis: ATP/WTA Cincinnati results - 4th update

Results on Friday from the ATP and WTA Western and Southern Open (x denotes seed):

Men

Quarter-finals

John Isner (USA) bt Novak Djokovic (SRB x1) 7-6 (7/5), 3-6, 7-5

Juan Martin Del Potro (ARG x7) bt Dmitry Tursunov (RUS) 6-4, 3-6, 6-1

Tomas Berdych (CZE x6) bt Andy Murray (GBR x2) 6-3, 6-4

Rafael Nadal (ESP x4) bt Roger Federer (SUI x5) 5-7, 6-4, 6-3

Women

Quarter-finals

Li Na (CHN x5) bt Agnieszka Radwanska (POL x4) - walkover

Jelena Jankovic (SRB x14) bt Roberta Vinci (ITA x12) 6-0, 6-4

Serena Williams (USA x1) bt Simona Halep (ROM) 6-0, 6-4

afp