Jessica Pegula , left,greets her dog Maddie during a victory ceremony after defeating Camila Giorgi, of Italy, in a final match at the Citi Open tennis tournament, Sunday, Aug. 4, 2019, in Washington. (AP Photo/Patrick Semansky)

Jessica Pegula reacts after defeating Camila Giorgi, of Italy, in a final match at the Citi Open tennis tournament, Sunday, Aug. 4, 2019, in Washington. (AP Photo/Patrick Semansky)

Jessica Pegula poses with a trophy after defeating Camila Giorgi, of Italy, in a final match at the Citi Open tennis tournament, Sunday, Aug. 4, 2019, in Washington. (AP Photo/Patrick Semansky)

Runner-up Camila Giorgi, left, of Italy, and winner Jessica Pegula pose for photographs after a final match at the Citi Open tennis tournament, Sunday, Aug. 4, 2019, in Washington. (AP Photo/Patrick Semansky)

Camila Giorgi, of Italy, serves the ball to Jessica Pegula during a final match at the Citi Open tennis tournament, Sunday, Aug. 4, 2019, in Washington. (AP Photo/Patrick Semansky)

Jessica Pegula reacts during a final match against Camila Giorgi, of Italy, at the Citi Open tennis tournament, Sunday, Aug. 4, 2019, in Washington. (AP Photo/Patrick Semansky)