Venus Williams plays professionally in singles tennis.
Venus Williams . On 7 June 2010 , Venus became co-No . 1 in doubles with Serena after they won their 4th consecutive grand slam doubles title at Roland Garros . By virtue of that doubles ascension , Venus became one of seven women to reach No. 1 in singles and No. 1 in doubles . Her seven Grand Slam singles titles ties her twelfth on the all-time list , more than any other active female player except sister Serena .