Serena Williams beat Jelena Ostapenko in straight sets to present the usa a 2-0 lead of their Fed Cup qualifier towards Latvia.
The 23-time Mighty Slam champion defeated 2017 French Begin winner Ostapenko 7-6 (7-4) 7-6 (7-3).
That came after newly-topped Australian Begin champion Sofia Kenin beat Anastasija Sevastova 6-2 6-2 within the first rubber.
“It be been a lengthy proceed. It wasn’t straightforward,” said world number seven Kenin.
“Nonetheless I used to be colossal happy to come support right here and play with the personnel.”
Williams added: “I’m in fact delighted with being in a space to earn the map shut for the personnel. I’m in fact inflamed that I used to be in a space to plow thru it.”
The qualifier, taking set in Everett, Washington, continues from 23:30 GMT with Kenin taking on Ostapenko within the third rubber.
The winners of the ideal-of-five tie will be for certain one of 12 nations in April’s modern-review Fed Cup Finals.