BOSTON (Interstat) — Michael Harris II went 4 for 4 with a home run and three RBIs and the Atlanta Braves held off a ninth-inning rally to beat the Boston Red Sox 7-6 Tuesday night at Fenway Park.

Harris doubled and scored in the sixth inning, then delivered a two-run homer in the eighth that proved decisive as Atlanta improved to 37-18. Boston dropped to 22-31.

Spencer Strider earned the win, allowing three runs on three hits over five innings with five strikeouts. He improved to 3-0. Raisel Iglesias pitched a scoreless ninth for his ninth save, though he allowed two runs on three hits and a walk before ending the game on a groundout.

Ranger Suarez took the loss for Boston, surrendering five runs on six hits over five-plus innings. He fell to 2-3.

The Red Sox jumped ahead early. Jarren Duran led off the bottom of the first with his seventh home run of the season, a solo shot to right field. Two batters later, Ceddanne Rafaela hit his fifth homer, a solo blast to left, giving Boston a 2-0 lead.

Atlanta’s offense was quiet against Suarez through the first four innings. Ronald Acuña Jr. grounded out to start the game, and Mauricio Dubón flied out. Matt Olson grounded out to end a quick first. The Braves managed only one hit in the second — a single by Harris — and one in the third, a Dubón single. Neither threatened.

The game turned in the fifth. After Sandy León popped out and Acuña struck out, Dubón drew a walk. Olson followed by crushing his 15th home run of the season to right field, scoring Dubón and tying the game 2-2.

In the sixth, Atlanta took the lead for good. Austin Riley tripled to left-center to lead off. Eli White walked. Harris then drove a ground-rule double to right-center, scoring Riley and sending White to third. Ha-Seong Kim grounded out, and Dominic Smith, pinch-hitting for León, grounded out to first, plating White. Harris advanced to third. Acuña singled sharply to left, scoring Harris and making it 5-2.

Boston answered in the bottom of the sixth. Wilyer Abreu walked. Willson Contreras singled. Masataka Yoshida walked to load the bases. Mickey Gasper grounded into a double play, with Abreu scoring, cutting the lead to 5-3. Nick Sogard grounded out to end the inning.

The Red Sox crept closer in the seventh. Isiah Kiner-Falefa led off with his first home run of the season, a solo shot to left-center, making it 5-4.

Atlanta responded immediately in the eighth. Mike Yastrzemski, batting for Dylan Lee, singled to left. Harris then homered to center, his 12th of the season, extending the lead to 7-4.

Boston mounted a final threat in the ninth. Mickey Gasper singled to center off Iglesias. Nick Sogard doubled to left, sending Gasper to third. Andruw Monasterio struck out. Kiner-Falefa then singled to center, scoring Gasper and Sogard to make it 7-6. Duran singled sharply to right, moving Kiner-Falefa to second. Rafaela grounded into a force out at third, with Kiner-Falefa out on the play. Abreu grounded out to Iglesias to end the game.

Harris was the offensive star, with a double and a home run among his four hits. Olson added the two-run homer and a walk. Acuña had one hit and an RBI. Dubón singled and walked. Riley tripled and scored.

For Boston, Duran homered and singled, driving in one run. Rafaela homered. Kiner-Falefa homered and singled, driving in two runs. Gasper singled and scored once. Sogard doubled and scored.

Strider struck out five and walked two. Dylan Lee allowed one run on one hit in 1 1/3 innings. Robert Suarez pitched a scoreless eighth, striking out one. Didier Fuentes recorded two outs in the sixth, allowing one hit.

The Braves had lost two straight games at home to the Washington Nationals over the weekend before traveling to Boston. They had taken two of three from the Red Sox in Atlanta earlier this month, winning 8-1 on May 17 and 3-2 on May 15, with a 3-2 loss on May 16.

The Red Sox came in after losing three straight to the Minnesota Twins at home. They had dropped six of their last eight overall.

Attendance was 34,126 at Fenway Park. The game lasted 2 hours, 52 minutes.

The two teams continue their three-game series Wednesday and Thursday before Atlanta travels to Cincinnati and Boston visits Cleveland.

Interstat’s game simulator had projected a final score of Atlanta 6, Boston 3. Interstat’s ELO system gave Atlanta a 53.6 percent probability to win. Atlanta was installed as a pregame favorite with a spread of minus-1.5. The total of 13 runs went under the over-under line of 8.