Katie Douglas scored 11 of her 24 points in the fourth quarter to lead Indiana to an 87-79 victory over Washington on Sunday for the Fever's third victory in 12 days against the Mystics.

Tamika Catchings added 19 points, nine rebounds and five assists for Indiana (15-4), which improved to 23-11 all-time against Washington and stretched its lead in the Eastern Conference to five games over the second-place Mystics.

Ebony Hoffman had 15 points and Jessica Moore added 10 for the Fever, who have won 15 of 17 after an 0-2 start.

Douglas, who had scored 32 and 34 points in the previous two games, shot 7 of 13 from the field and made all seven of her free throws en route to her eighth 20-point game of the season.

Alana Beard had 23 points and Lindsey Harding added 22 for the Mystics (10-9). Monique Currie added 12 points and seven rebounds.

Harding's driving layup with about 57 seconds left in the third quarter pushed Washington's lead to 53-50.

However, the Fever took the lead for good with a 19-2 run, starting with Tully Bevilaqua's tying 3-pointer 14 seconds later. Rookie Briann January's jumper capped the run and gave Indiana a 69-55 lead with 7:11 left in the fourth.

Douglas' layup with 2:51 to go gave the Fever their biggest lead, 78-62. The Mystics scored the next nine points and then pulled within six three times in the last 1:27, but got no closer.

Nakia Sanford's layup capped a 7-0 run that gave Washington a 47-46 lead with 3:09 remaining in the third quarter.

Catchings' free throw with 1.4 seconds left gave the Fever a 54-53 lead after three quarters.

Douglas scored four straight points to give the Fever a 28-18 lead with 4:31 remaining in the second quarter.

The Mystics missed 17 of their first 21 shots and shot 27 percent from the field half. Beard's 3-pointer pulled Washington to 30-27 with 1:02 remaining in the second quarter.

However, Douglas had 10 points in the first half to help the Fever take a 32-29 lead at the break.