Venus Williams said she still has fire in her belly after the 45-year-old became the oldest player to win a WTA singles match since 2004 with her 6-3 6-4 victory over Peyton Stearns at the Washington Open on Tuesday.

Williams became the second-oldest woman to win a tour-level singles match in professional tennis, trailing only Martina Navratilova, who was 47 in her last match in 2004.

Playing alongside Hailey Baptiste, who is nearly half her age at 23 years old, Williams beat Canada's Eugenie Bouchard and American teenager Clervie Ngounoue 6-3, 6-1 in the first round on Monday. Then on Tuesday, she stunned former NCAA champion Peyton Stearns, who is ranked 35th in the world, in a 6-3, 6-4 singles upset.