Paul Pierce scored five of his 20 points in overtime, Nene had 12 points and 13 rebounds, and the Washington Wizards beat Toronto 93-86 on Saturday in Game 1 of their first-round playoff series.
Bradley Beal scored 16 points, while John Wall and Kevin Seraphin each had 10 for the Wizards.
Amir Johnson scored 18 points and DeMar DeRozan had 15 points and 11 rebounds for the Raptors, who have yet to win the opening game of a first-round series in seven postseason appearances.
Washington held a double-digit lead in the second half, but Greivis Vasquez, who came on after All-Star Kyle Lowry fouled out, tied the game at 82 by hitting a 3-pointer with 25 seconds left.