NEWARK, N.J. — Ahmed Zayat, owner of Triple Crown hopeful American Pharoah, asked a federal judge to dismiss a lawsuit that accuses him of owing $1.65 million to a man who says he fronted Zayat money for gambling bets placed at offshore casinos.The federal breach-of-contract lawsuit was filed in March 2014 by Howard Rubinsky of Florida. It said that in 2003, Rubinsky and Zayat entered into a personal services contract. Rubinsky said he advanced Zayat credit at two casinos and that the agreement was that he would be …