Hiroshima Commercial High School defeats Yokohama Seiryo High School to advance to the second round of the National High School Baseball Championship, Day 4 (Kyodo News)

The fourth day of the Senbatsu High School Baseball Tournament was held on the 21st at Koshien Stadium, where Hiroshima Commercial High School, participating for the 23rd time, defeated Yokohama Seiryo High School (Kanagawa Prefecture), participating for the first time under the 21st Century枠, 10-2 to advance to the second round. Hiroshima Commercial High School took advantage of a lapse in the opponent's defense in the first inning to score tw…