Wild-card entry Alison Riske is one of four women keeping American hopes alive at Wimbledon.
The 126th-ranked Riske reached the third round at a Grand Slam tournament for the first time Friday, beating 44th-ranked Urszula Radwanska of Poland 4-6, 6-3, 6-4.
All four American women left in the draw - top-seeded Serena Williams, 17th-seeded Sloane Stephens, Madison Keys and Riske - will be in action Saturday.
While Williams is already a certified tennis star with 16 Grand Slam titles to her credit, Stephens, Riske and Keys are in the early stages of their careers.
''I think it's wonderful,'' said Riske, of the up-and-coming American women advancing together. ''I feel like now we have so many players. It's wonderful to see your friends doing well. We have a support system with each other.''
Riske's match against Radwanska was delayed by rain Thursday, which means she'll now play two days in a row.
She'll take on four-time Grand Slam quarterfinalist Kaia Kanepi, who eliminated No. ...