Her mother, a rising star in the Democratic Party, defeated Williams.
Griffin won that bout, then defeated Williams on Friday to force this afternoon's challenge.
She also defeated Williams in their only match.
With the black vote split, Fowler defeated both King and Williams in the primary.
Chenoweth defeated Williams again in 1998 by a wider margin.
Under its banner, he defeated Williams by 353 votes in the 1922 election.
Hingis has defeated Williams in straight sets in both matches they have played.
He won re-election, defeating Williams with about 60 percent of the popular vote.
Even last year, she defeated Williams at the German Open.
The following weekend, he defeated Williams in their scheduled match.