Mariam Bolkvadze will beat Alevtina Ibragimova in the US Open qualifying match on August 26 on Court 15 and pull off a ranking upset in their first professional meeting. Bolkvadze, ranked No. 418, comes in after a 6-4, 7-6(5) win over Erika Andreeva and has not dropped a set in this event. Ibragimo…