EUGENE — Oregon erased an 18-point second-half deficit but a furious rally was for naught as rival Oregon State responded and hung on for its second win in nine meetings at Matthew Knight Arena.

Tres Tinkle scored 28 points to lead Oregon State to a 77-72 win over Oregon in the 351st meeting of the Civil War before a raucous crowd of 11,204 on Saturday.

Ducks freshman Louis King had his first career double-double with a career-high 17 points and 10 rebounds to lead four Oregon players in double-figures. King made multiple free throws to give the Ducks multiple one-point leads in the final five minutes but the Beavers responded for their first win in Eugene since 2012.

Tinkle was 9 of 15 from the field, including 4 of 8 from 3-point range as the Beavers shot 51 percent from the floor, the highest this season against the Ducks, who came into conference play leading the league in scoring defense (62.5) and field goal percentage defense (37.4).

“We dug ourself [sic] a big hole with a lot of bad shots and poor ball movement and poor execution in the first half,” Oregon coach Dana Altman said. ”We were down big on the boards, we ended it up minus-nine (38-29) on the boards. They shot 51 percent. Those two stats are not going to lead to many wins. But we did fight back. We got some energy from the crowd; I thought the crowd was great and gave us a big lift there and got us back in it.

“We fouled too much at the end. I think they got one bucket late, but everything else was at the free throw line. ... That’s kind of been our M.O., we don’t play very well in the first half and get down and then try to come back in the second half. We did the same thing at Houston, the same thing at Baylor and obviously today.”

Ethan Thompson had 13 points, five rebounds and four assists and Stephen Thompson Jr. had 10 points, eight rebounds and six assists for the Beavers, who led by 18 early in the second half and by 15 (60-45) with 10:04 to go when Oregon went on a 22-6 run. King had nine of those points, including the tying and go-ahead free throws to make it 67-66 with 3:49 to go.

Altman liked King’s rebounding and scoring in the second half.

“I thought he took a big step," Altman said. "Obviously his shooting percentages have to improve, but I thought this was a productive game for him. I thought he played really hard.”

The lead changed hands five times after that, with Oregon State (9-4, 1-0 Pac-12) sealing the win thanks to six straight free throws in the final 46.7.

“The second half we were playing with our back against the wall,” said Paul White, who had 15 points and four rebounds before fouling out in the final minute. “We just had to fight. We fought to the very end. I’m proud of my team, how we fought in the second half. The first half, we got to find a way to get a spark going within us.”

The game started at a breakneck pace as the Ducks went 7 of 9 from the field to take a 17-16 lead after eight minutes, but the Beavers took command on the glass 23-11 in the first half and took a 38-25 lead at the break while Oregon ended the half 3 for its last 21 from the floor .

Payton Pritchard scored 11 of his 14 points in the second half and had six assists and Victor Bailey Jr. added 11 for Oregon (9-5, 0-1 Pac-12), which had its first true test since the loss of leading scorer, rebounder and shot blocker Bol Bol to season-ending foot surgery, energetic sub Abu Kigab to transfer and forward Kenny Wooten, who will miss another three to five weeks recovering from surgery for a broken jaw.

With only an eight-man rotation, Oregon got scoring from seven players, including six in the second half, but only King (plus-seven) and White (plus-one) ended the night with a positive efficiency.