Jessica Pegula and Coco Gauff are the first pair of American women to take two spots in the top four of the WTA rankings since Serena and Venus Williams 12 years ago. As of Monday, the singles rankings shows Pegula at No. 3 and Gauff at No. 4 — both are career-highs.

The doubles partners also found themselves high in the doubles rankings. Gauff is at No. 2 and Pegula at No. 3. Although Gauff has been No. 1 before, this was a career-best for Pegula. Read More