The 21-time Major winner Rafael Nadal will face a giant server Reilly Opelka in the Indian Wells fourth round. In February, Rafa and Reilly should have played in the Acapulco first round, but the American withdrew after two great weeks in Dallas and Delray Beach.Nadal and Opelka have played one match so far, in the last year’s Rome semi-final, when the Spaniard earned a 6-4, 6-4 victory in an hour and 32 minutes. Reilly played well that week, but the king of clay proved too strong at Foro Italico, sealing the deal in straight sets and advancing into the 12th Rome Open final.Nadal endured one challenging game and secured one break in each set to emerge at the top. Rafa earned the triumph in the more advanced rallies and tamed the rival’s serve enough to …