Djokovic Tested By Spaniard; Isner Into QFs

What began as a cakewalk for Novak Djokovic turned into a challenge, with the World No. 1 required to work hard for a 6-0, 6-7(5), 6-2 win over unseeded Spaniard Pablo Andujar in fourth-round action Wednesday afternoon at the BNP Paribas Open.

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