Jessica Pegula, Emma Navarro, Sofia Kenin and Ashlyn Krueger all won on Wednesday to give the U.S. seven women into the third round at the Credit One Charleston Open.

Qualifier Julieta Pareja, 16, defeated lucky loser Patricia Maria Tig in straight sets in the Copa Colsanitas Zurich second round. The first 2009-born player to compete in a WTA main draw, she became ...