text: US leads 2-0 in Davis Cup Olympic silver medalist Mardy Fish served 19 aces to defeat Max Mirnyi in the second singles match 7-5, 6-2, 3-6, 6-3. Roddick #39;s serve in the final game of the match eclipsed his own record of 153 mph set at the Queen #39;s Club tournament in England in June.