Damir Dzumhur won the biggest match of his life so far when he beat Stan Wawrinka in the first round of the Acapulco 500 tournament. He came back from a 1-4 deficit in the first set, won it in a tie-break and then Wawrinka’s energy seemed gone and Dzumhur took advantage to nail the straight sets victory 7-6 6-3. He did this swinging a Wilson Blade 98 Countervail racquet but …
