Jimmy Butler scored 30 points and added 11 rebounds as the Philadelphia 76ers defeated the Raptors 94-89 in Toronto while Nikola Jokic had 37 points and nine rebounds to help Denver to a 121-113 win over Portland in game one of their Western Conference semi-final series.
The 76ers evened their Eastern Conference semi-final series with the Raptors at one win each on Monday night (local time) and it was their first win in Toronto since November 10, 2012, following 14 consecutive losses in the Canadian city.
Game three in the best-of-seven series is scheduled for Thursday in Philadelphia.
James Ennis III added 13 points off the bench for the 76ers, Joel Embiid had 12 points, JJ Redick had 11, Greg Monroe 10 and Tobias Harris nine points and 11 rebounds.
Kawhi Leonard scored 35 points for Toronto, Pascal Siakam added 21 and Kyle Lowry 20.
The 76ers, who led by as many as 19 points in the second quarter, took a six-point advantage into the fourth.
Philadelphia opened the final period with a 7-2 surge to lead by 11 with 8:44 to play.
The advantage reached 13 on a seven-foot shot by Harris with 5:44 to go.
Lowry struck with a three-pointer to bring Toronto within four points with two minutes left.
After Butler sank two free throws, Lowry made another three-pointer with 1:36 left. Siakam reduced the deficit to one with a put-back layup before Embiid banked in a hook shot with 24.3 seconds to play.
After Toronto's Danny Green missed a three-point attempt for the tie with 10.3 seconds to go, Harris ended the game by hitting two free throws with 3.8 seconds left.
Ennis closed the first-quarter scoring with a three-pointer to give the 76ers a 26-17 lead.
The 76ers led by 18 when Ennis nailed a three with 4:19 remaining in the half. Raptors coach Nick Nurse was called for a technical foul, and Butler made the foul shot to boost the lead to 19.
The Raptors cut that to 13 on Siakam's layup with 2:09 to play.
Philadelphia pulled ahead by 18 before Green made a three-pointer after a steal by Leonard to complete the scoring in the first half.
Philadelphia led 51-38 at half-time with Butler scoring 13 points and Ennis adding 12. Leonard topped Toronto with 15 first-half points, and Lowry had 10.
The Raptors shot 32.6 percent from the field in the first half, and the 76ers shot 41 percent. For the game, Philadelphia had an edge in field-goal shooting 39.5 percent to 36.3 percent.
Leonard scored the first five points of the third quarter, trimming the deficit to eight. Siakam made a three-pointer and a layup to cut the margin to five.
Marc Gasol's two free throws pulled the Raptors within one point with 2:50 remaining in the quarter, but the 76ers led 69-63 after three periods before closing out the contest in the final quarter.
Meanwhile, Jokic starred and Jamal Murray added 23 points and eight assists as the Nuggets beat the Trail Blazers 121-113 in Denver on Monday night.
Paul Millsap scored 19 points for Denver.
Damian Lillard had 39 points, Enes Kanter scored 26 and Rodney Hood added 17 off the bench for Portland. The Trail Blazers were playing for the first time since eliminating the Oklahoma City Thunder on April 23.
Game two of the best-of-seven series is scheduled for Wednesday in Denver.
The Nuggets led most of the way and by as many as 13 in the second half.
Malik Beasley hit two three-pointers and Millsap sank a jumper to give Denver a 101-89 lead with 10:19 to go. Seth Curry answered with a triple and Lillard hit a jumper and a layup to get the Blazers within five with 8:57 left.
The Nuggets came right back. After a dunk by Denver's Mason Plumlee, Portland's CJ McCollum (16 points) was called for a flagrant-1 foul on Jokic, who hit both free throws. Plumlee subsequently followed a Beasley miss with a dunk, and Beasley followed his own miss with a layup for a 109-96 lead with 6:11 left.
Portland never got closer than eight the rest of the way.
Denver led by three at half-time and increased it to 11 in the first few minutes of the third quarter. Jokic hit a trey, Murray made a three-foot floater and Torrey Craig sank another three-pointer after Jokic's offensive rebound and pass to the perimeter.
After each team made two free throws, Murray drained another triple to give the Nuggets a 78-67 lead.
The Trail Blazers cut it to six on Meyers Leonard's three-pointer, but Denver took a 93-84 lead into the fourth quarter.
The game was close throughout the first half, with neither team leading by more than six points. Lillard led Portland with 15 and Kanter had 15 in the half.
Millsap scored 17 points and Jokic hit six of eight shots and scored 14 in the first half.
Kanter played with an injured left shoulder but finished 11-for-14 from the field.