Serena advances to quarters
16 August 2013, 09:46
Cincinnati - Top seed Serena Williams stayed the course at the ATP-WTA Cincinnati Masters on Thursday, pounding out a 6-4, 6-1 defeat of Mona Barthel.
The American beat her 32nd-ranked German in dominating style in a night game to reach the quarter-finals of the hard-court tournament.
Williams is playing the event for the fifth time, with her best showing to date being a semi-final berth in 2006.