Kowase dropped Henderson by a 6 - 4 , 6 - 3 score line .
Sandy Niehaus bested Victoria Olivarez by a 5 - 7 , 6 - 4 , 6 - 0 margin .
Kowase dropped Henderson by a 6 - 4 , 6 - 3 score line , and Sandy Niehaus bested Victoria Olivarez by a 5 - 7 , 6 - 4 , 6 - 0 margin .