The Wizards led by nine points with 2:15 to play and managed to hold off a Kings rally that cut the margin to one point before Mike James ended the scoring with a free throw in the closing seconds.
Andray Blatche added 16 points and Darius Songaila had 15 for Washington.
Kevin Martin posted 24 points for the Kings, who have the NBA's worst road record at 4-29.
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