Costamagna built a 4 - 1 second - set lead .
When Montero broke serve to make it 4 - 2 , Costamagna broke back for a 5 - 2 lead , putting the championship on her serve .
Costamagna built a 4 - 1 second - set lead and when Montero broke serve to make it 4 - 2 , Costamagna broke back for a 5 - 2 lead , putting the championship on her serve .