Seventh seeded American Madison Keys crashed out of the WTA Tour's Stanford tournament, losing 1-6, 6-4, 6-1 to Ajla Tomljanovic in a second round match.

Keys breezed through the first set in just 23 minutes but then lost serve early in the second set and dropped a 25 minute third set to Croatia's Tomljanovic.

In the other night match, eighth seeded Elina Svitolina swept past American qualifier Nicole Gibbs 6-3, 7-6 (7/5) to reach the quarter-finals.

In other matches, Alison Riske defeated Carla Suarez Navarro 6-4, 6-4 and Mona Barthel beat No.6 seed and fellow German Andrea Petkovic 5-7, 6-2, 7-6 (7/4).
Source: AFP