TOKYO — The 2026 World Baseball Classic (WBC) began in emphatic fashion at the Tokyo Dome on Friday, as defending champion Japan signaled its intent for a repeat title with a commanding 13-0 mercy-rule victory over Chinese Taipei.

In front of a sold-out crowd of 42,414, the contest quickly evolved into a showcase for global superstar Shohei Ohtani. The Los Angeles Dodgers designated hitter, who famously closed out the 2023 tournament by striking out his then-teammate Mike Trout, proved once again that he thrives under the brightest international lights.

An Explosive Second Inning

The decisive moment of the night arrived in the top of the second inning, which saw Japan erupt for 10 runs—a staggering display of efficiency that all but ended the competitive phase of the matchup.

After Chinese Taipei starter Hao-Chun Cheng loaded the bases, Ohtani stepped to the plate with two outs. He connected on a hanging curveball, driving it deep over the right-field wall for a grand slam. The blast sent the Tokyo Dome into a frenzy and served as the centerpiece of a record-setting inning that effectively buried the opposition.

By the time the inning concluded, Ohtani had already recorded a double in his first at-bat and a stinging single later in the second, finishing his night 3-for-5 with five RBIs. He fell just a triple shy of hitting for the cycle, a testament to his dominance in a game that was called after seven innings due to the tournament’s 10-run mercy rule.

Pitching Prowess and Defensive Stability

While the offense grabbed headlines, Japan’s pitching staff was equally surgical. Yoshinobu Yamamoto, the 2025 World Series MVP, took the mound for his first start of the 2026 season. Though he battled minor command issues—walking three batters and leaving the game in the third inning after 53 pitches—he surrendered no hits.

Yamamoto and a trio of relievers—Shoma Fujihira, Hiroya Miyagi, and Koki Kitayama—combined to hold Chinese Taipei to just a single hit throughout the entire evening. The lone hit, a loopy single into right field by Yu Chang in the sixth inning, offered a brief moment of respite for the visitors, but the Japanese defensive unit remained unfazed.

“It was a complete team effort,” Japan manager said after the game. “We wanted to set the tone early, and the players executed the game plan perfectly.”

A Mountain to Climb for Chinese Taipei

For Chinese Taipei, the loss compounds a difficult start to the tournament. Having fallen to Australia 3-0 in their opener on Thursday, the team now faces an uphill battle to advance out of the highly competitive Pool C.

The disparity in the score reflected the gap between the two programs; while Japan utilized its depth of MLB talent and elite domestic stars, Chinese Taipei struggled to find an answer for the relentless offensive pressure. They will look to regroup quickly as they prepare for their next matchup against the Czech Republic.

Looking Ahead: The Rivalry Continues

With the tournament’s round-robin phase now fully underway, Japan turns its attention to the next marquee matchup in Pool C. On Saturday, they will face arch-rival South Korea in a game that historically carries massive implications for the tournament bracket and national pride.

For fans in Tokyo and beyond, Friday’s performance was more than just a victory; it was a statement. With Ohtani leading the charge and a pitching staff that appears to be in mid-season form, the path to the 2026 WBC title remains firmly centered on the Samurai Japan squad.

As the tournament shifts to venues across the Americas—including Houston, San Juan, and Miami—the pressure will only increase. But for one night in Tokyo, the spotlight belonged to Ohtani and a Japanese team that looks ready to defend its crown.