Triston Casas of the United States shouts as he rounds first base after hitting a two-run homer run against the Dominican Republic on Wednesday in Yokohama, Japan. AP Photo/Sue Ogrocki

YOKOHAMA, Japan — For Triston Casas, the Olympics feel as comfortable as spring training.

That’s because when he stepped to the plate in the United States’ elimination game against the Dominican Republic on Wednesday, he was facing Portland Sea Dogs teammate Denyi Reyes.

“I have one career at-bat off of him in spring training, and I hit a home run over the batter’s eye, as well,” Casas said after he crushed a two-run, first-inning drive that started the Americans to a 3-1 win. “So 2 for 2 with a walk.”

Tyler Austin, a former major leaguer in his home ballpark of the Central League’s Yokohama Bay Stars, added a solo home run in the fifth against Gabriel Arias, his second long ball of the tournament to go with a .412 average and five RBIs.

The U.S. will play South Korea on Thursday night, with the winner earning a berth in Saturday’s gold medal game versus Japan.

Winning pitcher Scott Kazmir escaped a bases-loaded, one-out jam in the first. The 37-year-old left-hander pitched two-hit ball over five scoreless innings, retiring 14 of his final 15 batters around José Bautista’s leadoff double in the third.

“I felt like I still had a lot in me,” Kazmir said.

A 21-year-old first baseman, Casas homered following a one-out walk to Austin. He is batting .313 with three home runs and eight RBI in Japan. Casas, one of four Sea Dogs competing in the Tokyo Olympics, is batting is hitting .271 with six homers and 30 RBIs for Portland this season.

“I wouldn’t necessarily say it’s better, but the atmosphere makes it better,” he said of the Olympics. “I feel like it puts pressure on both sides of the ball, on defense and on offense, really stay engaged in every pitch, really just trying to focus on winning. In affiliated ball, sometimes you can get out of that mindset.

“At the end of the tournament,” he added, “nobody’s going to remember really how many home runs I hit or how many runs I drive in. It’s just whether we came home with that gold.”

Reyes, a 24-year-old right-hander, allowed two runs and two hits in four innings. He is 3-1 with a 2.90 ERA in two starts and 11 relief appearances at Portland.

“We did talk about it and basically said may the best man win,” Reyes recalled of his conversation with Casas.

Before he made two starts and a relief appearance for San Franciso in late May and June, Kazmir had not pitched in the major leagues since 2016. He hopes agent Brian Peters can get him signed for later this season or 2022.

“I have two little boys,” Kazmir said. “I want them to see me play and not just see a video or anything like that. I feel like that’s a huge motivation for me.”

Kazmir was available for the Olympics because he was assigned outright to Triple-A Sacramento on June 11.

“He fell under a rock. I think he got designated for assignment at the right time when we were about ready to make some decisions in putting our club together,” U.S. manager Mike Scioscia said. “There’s no doubt he can pitch in the major leagues and be very effective, and I’m sure that’s going to happen at some point.”

Kazmir startied on 16 days’ rest on a broiling day with a 90-degree Fahrenheit (32.2 Celsius) temperature at game time and high humidity. With a fastball in the 91 mph range and a cutter he’s developed, he threw 77 pitches, struck out five and walked one.

Playing 14 hours after their ninth-inning comeback win over Israel, the Dominicans (2-3) loaded the bases with one out in the first. Johan Mieses grounded into a forceout at the plate, bringing up Melky Cabrera, who was 3 for 10 against Kazmir in his big league career. Cabrera bounced to Todd Frazier, who stepped on third for the inning-ending forceout.

“Mostly his swing stays the same,” Kazmir said.

Brandon Dickson, Scott McGough and Anthony Gose followed with an inning each.

David Robertson allowed Charlie Valerio’s two-out homer and a walk, then struck out Yefri Pérez with a man on for his second save. The U.S. was outhit 5-3 and overcame three errors and a 0-for-12 afternoon from its Nos. 6-9 batters.

Bautista came up with two on and two outs in the seventh against McGough, a 31-year-old former Miami reliever who blew a save against Japan two nights earlier. The six-time All-Star, now 40, took consecutive sliders and was called out by plate umpire Jair Fernández of Mexico.

“He made some good quality pitches down in the zone,” Bautista said, “and he got the calls that he needed.”

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