Venus Williams plays professionally in singles tennis.
Venus Williams . 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 . From the 2000 Wimbledon Championships to the 2001 US Open , Williams won four of the six Grand Slam singles tournaments held .