For someone who says he bets millions of dollars on tennis, Elihu Feustel doesn't watch many matches. "Which one is Granollers?" he says, referring to Marcel Granollers, a Spaniard ranked 35th in the world. "Is he the one that's good on clay courts?" Feustel, who is from South Bend, Ind., says he doesn't need to recognize the players on the men's ATP World Tour to make money. He relies on an algorithm he created using data from 260,000 matches to place about 30 bets a day during tournaments, including the Australian Open, which started on Jan. 13. For the record, Granollers prefers clay courts, according to his men's tour profile, and lost his first-round match with Marin Cilic of Croatia in five sets on the second day of play at the Australian Open.
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