Loading...K Khachanov & A Rublev v A Bublik & R OpelkaK Khachanov & A Rublev v A Bublik & R OpelkaREPLAYST PETERSBURG2020QFRussian duo Karen Khachanov and Andrey Rublev teamed up to take on Alexander Bublik and Reilly Opelka in the quarter-finals of the St. Petersburg Open.