WATCH: Serena Williams practices with sister Venus Williams in Washington

After crashing out of Wimbledon in round one, Serena Williams made it known she will play at the Toronto and Cincinnati Masters.

She won't play earlier although she did show up in Washington to play some practice tennis ahead of the event there. Serena's sister Venus Williams will make her return to singles tennis at the event as the older Williams did not play in eleven months. Her last event was in Chicago at the end of August last year and since then Venus did not play any competitive tennis.

To help Venus better prepare, Serena showed up in DC to practice with her sister leaving many fans stunned. Nobody knew she was coming so when she showed up the crowd erupted in a cheer. Check it out below.