Jack Sock and Christian Harrison got the last two spots.
WHITE PLAINS, N.Y., November 27, 2012 – The USTA today announced that former Top 30 player Bethanie Mattek-Sands (Rochester, Minn.), former US Open junior champion Jack Sock (Lincoln, Neb.) and two-time reigning NCAA singles champion Steve Johnson (Orange, Calif.) are among the players competing in the 2012 Australian Open Wild Card Playoffs, held December 14-16, at Life Time Athletic & Tennis at Peachtree Corners in Norcross, Ga., a certified USTA Regional Training Center........
......The men’s field also includes Bradley Klahn (22, Poway, Calif.), the 2010 NCAA singles champion at Stanford who reached the second round of the 2012 US Open; Rhyne Williams (21, Knoxville, Tenn.), a former All-American at Tennessee who qualified for the 2012 US Open; Denis Kudla (20, Arlington, Va.), a one-time US Open junior finalist who, in 2012, qualified and reached the first round of the Australian Open and won two USTA Pro Circuit Challenger events; Tennys Sandgren (21, Gallatin, Tenn.), a former Tennessee standout who has won three USTA Pro Circuit Futures titles this year; Daniel Kosakowski (20, Huntington Park, Calif.), a former UCLA star who won back-to-back USTA Pro Circuit Futures championships in September; and Christian Harrison (18, Shreveport, La.), who, with older brother Ryan Harrison, advanced to the quarterfinals of the US Open doubles main draw in 2012.