John Wall added 15 points and 10 assists for the Wizards, who forced 16 turnovers and committed only six. Washington played without forward Nene, who was suspended for grabbing
The Wizards are looking to win a playoff series for only the third time since the 1970s. They can finish off the Bulls in Game 5 on Tuesday in Chicago.
Taj Gibson scored a career-high 32 points on 13 for 16 shooting for Chicago, but his teammates combined to go 22 for 62 from the field. He made more field goals in the first half (8) than the rest the Bulls combined (7).
Nene was suspended for the game after grabbing Jimmy Butler's head during a face-to-face confrontation in the fourth quarter of the Wizards' Game 3 loss.