Gauff is one of eight Americans in the WTA Rankings Top 50 and the fifth to advance to the third round. Saturday saw No. 5 Amada Anisimova, No. 6 Madison Keys and wild card Taylor Townsend get through. On Sunday, Gauff was joined by another 21-year-old, Ashlyn Krueger, who was a 6-4, 0-6, 6-3 winner over Anastasija Sevastova.