June 18 (Reuters) - Latest first round leaderboard in the 115th U.S. Open at par-70 Chambers Bay in University Place, Washington, on Thursday (U.S. unless stated, a- denotes amateur):
Par Holes P. Mickelson -2 5 H. Stenson (Sweden) -2 3 C. Gribble -1 6 K. Barnes (Australiia) -1 6 G. Woodland -1 5 R. Streb -1 4 a-L. McCoy -1 4 M. Kawamura (Japan) -1 3 H. Matsuyama (Japan) -1 2 M. Kuchar -1 2 D. Johnson -1 2 A. Scott (Australia) -1 2 C. Montgomerie (Scotland) -1 1 P. Reed -1 1 (Editing by Mark Lamport-Stokes)