Maria Sara Popa will advance past Adrienn Nagy and extend her run in the W35 Bistrita 25k+ tournament. The 430-ranked Popa, born July 29, 2005, will draw on the steam of her Aug 17 first-round 6-4, 6-0 win over Stefania Bojica. The match is scheduled for Aug 21 as a second-round fixture, and Nagy,…