TOKYO, JAPAN - MARCH 10: Koki Kitayama #57 of Team Japan pitches in the ninth inning during the 2026 World Baseball Classic Pool C game between Czechia and Japan at Tokyo Dome on March 10, 2026 in Tokyo, Japan. (Photo by Toru Hanai/Getty Images)

TOKYO, JAPAN - MARCH 10: Koki Kitayama #57 of Team Japan pitches in the ninth inning during the 2026 World Baseball Classic Pool C game between Czechia and Japan at Tokyo Dome on March 10, 2026 in Tokyo, Japan. (Photo by Toru Hanai/Getty Images)

TOKYO, JAPAN - MARCH 10: Koki Kitayama #57 of Team Japan pitches in the ninth inning during the 2026 World Baseball Classic Pool C game between Czechia and Japan at Tokyo Dome on March 10, 2026 in Tokyo, Japan. (Photo by Toru Hanai/Getty Images)

TOKYO, JAPAN - MARCH 10: Munetaka Murakami #55 of Team Japan celebrates with teammates after hitting a grand slam in the eighth inning during the 2026 World Baseball Classic Pool C game between Czechia and Japan at Tokyo Dome on March 10, 2026 in Tokyo, Japan. (Photo by Toru Hanai/Getty Images)

TOKYO, JAPAN - MARCH 10: Munetaka Murakami #55 of Team Japan celebrates with teammates after hitting a grand slam in the eighth inning during the 2026 World Baseball Classic Pool C game between Czechia and Japan at Tokyo Dome on March 10, 2026 in Tokyo, Japan. (Photo by Toru Hanai/Getty Images)

TOKYO, JAPAN - MARCH 10: Munetaka Murakami #55 of Team Japan celebrates with teammates after hitting a grand slam in the eighth inning during the 2026 World Baseball Classic Pool C game between Czechia and Japan at Tokyo Dome on March 10, 2026 in Tokyo, Japan. (Photo by Toru Hanai/Getty Images)

TOKYO, JAPAN - MARCH 10: Munetaka Murakami #55 of Team Japan hits a grand slam in the eighth inning during the 2026 World Baseball Classic Pool C game between Czechia and Japan at Tokyo Dome on March 10, 2026 in Tokyo, Japan. (Photo by Toru Hanai/Getty Images)

TOKYO, JAPAN - MARCH 10: Munetaka Murakami #55 of Team Japan with Manager Hirokazu Ibata #89 of Team Japan after hitting a grand slam in the eighth inning during the 2026 World Baseball Classic Pool C game between Czechia and Japan at Tokyo Dome on March 10, 2026 in Tokyo, Japan. (Photo by Toru Hanai/Getty Images)