Kelsey Plum scored 38 points to set an NCAA record for points in a season while leading third-seeded Washington to a 108-82 win over sixth-seeded Oklahoma in a second-round NCAA Tournament game on Monday night at Alaska Airlines Center in Seattle.

Plum, the nation's scoring leader with a 31.6-point average, broke the record previously held by former Missouri State standout Jackie Stiles (1,062 points). Plum now 1,080 points this season to add to her NCAA career record of 3,498 points.

Natalie Romeo scored 20 points, Aarion McDonald had 18 and Chantel Osahor collected 16 points and 15 rebounds for the Huskies (29-5).

Gioya Carter topped Oklahoma (23-10) with 17 points, Chelsea Dungee had 14, and Peyton Little and Maddie Manning added 14 and 12 points, respectively.

Washington advances to the Sweet 16 and a third-round matchup in Oklahoma City against No. 2 seed Mississippi State on Friday.

Washington led 27-22 after one quarter but trailed 31-30 with 7:44 remaining in the second.

The Huskies then scored 13 straight points -- including two Plum 3-pointers and an assist on another -- to take a 43-31 lead with 4:57 left in the second quarter. Plum had a game-high 14 points as Washington built a 54-47 lead by halftime.

The Huskies extended the lead to 84-61 as they closed the third quarter with 10 straight points. Washington topped 100 points on Romeo's 3-pointer with 4:25 to play.

Washington shot 57.1 percent from the field (36 of 63) and hit 18 of 30 from 3-point range for 60 percent. Oklahoma was 32 of 69 from the field (46.4 percent) and 12 of 26 on 3-point tries (46.2 percent).

Washington was making its third straight NCAA appearance. Oklahoma, making its 20th overall NCAA appearance, beat Gonzaga 75-62 to reach the second round for the 11th time in 12 seasons.

The Huskies snapped a two-game losing streak against the Sooners.