Kevin Durant scored 18 of his 36 points in the final seven minutes of the fourth quarter, and Serge Ibaka added a career-high 26 points going a perfect 11-of-11 from the field, and the Oklahoma Thunder evened the series at two games apiece by beating the San Antonio Spurs 109-103 Saturday night.

After seeing his team's 15-point lead go down to just four points, Durant took over midway through the fourth quarter by scoring all 16 of the Thunder's points during a span of just over 5 minutes to keep the Spurs at bay.

"I didn't tell myself that I need to go score because what we were doing was working," Durant said.

"We were passing the ball and guys were making shots. ... I just wanted to stick with what we were doing, but it started to open up for me and I could see some lanes that gave me some opportunities to make some shots."

With Russell Westbrook limited to seven points, Durant did almost all of the damage late to send the series back to San Antonio tied 2-2.

Durant hit three straight jumpers, the last one coming after he bumped into Tony Parker in the lane to draw a foul and set up a three-point play. Then he attacked the rim for his next three baskets, getting to the line again when he was fouled on a layup off of James Harden's alley-oop.

Durant hit another jumper after coming off a Westbrook screen for the last basket in his personal run -- and the Spurs were still within striking distance. Rookie Kawhi Leonard made a pair of 3-pointers around and the Spurs were only down 102-96 with 1:24 left.

The Spurs succeeded in getting the ball out of Durant's hands on the next possession, only for him to provide the assist on Harden's 3-pointer from the left wing that pushed the lead to nine.

"When a player that talented gets hot, it's really hard to contain," San Antonio's Manu Ginobili said. "We tried different things and they didn't work.

"He scored a bunch in a short period of time. When we tried to blitz or really help, he kicked it and they made big shots."

Durant hit two free throws in the final minute to help close it out.

"We tried to do a couple of different things but his play was better than anything we did defensively, that's for sure," Spurs coach Gregg Popovich said. "He finished it off in fine fashion."

Oklahoma City is trying to become the 15th team in NBA history to overcome an 0-2 deficit in a seven-game series, and the eighth to do it since 2004. The Thunder avoided an even trickier task by winning.

Tim Duncan had 21 points for San Antonio, which had won 20 in a row before losing Game 3. Leonard added 17 points and nine rebounds.

The Spurs wiped away most of a 15-point deficit with a run that coincided with Popovich turning to DeJuan Blair, who's had some notoriously big games against the Thunder but had occupied a spot on the bench for most of the playoffs after starting 62 of the 66 regular-season games.

Blair sprung free for a layup early in an 18-5 comeback, and Ginobili's 3-pointer from the top of the key trimmed Oklahoma City's lead to 73-71 with 1:16 to go in the third quarter.

The Spurs were within four after Duncan's left-handed runner with 6:55 left in the game. That's when Thunder coach Scott Brooks called a timeout, and Durant came out of it firing away. He made seven of his last eight shots and also finished with eight assists and six rebounds.

"It was hard because were on a run, we were feeling good about ourselves and we just couldn't make a stop," Ginobili said.

Ibaka made all 11 of his shots -- and all four of his free throws -- to lead a strong performance from Oklahoma City's frontcourt while Durant's usual running mates, Westbrook and Harden, both struggled.

Ibaka, Kendrick Perkins and reserve Nick Collison combined for 49 points. Westbrook missed eight of his 10 shots and Harden was limited to eight points.

The Thunder shot 56 percent and outrebounded the Spurs 41-31.

Game 5 is on Monday night at the AT&T Center in San Antonio.