Summer Koshien page help: Odds Portal lists all upcoming Summer Koshien baseball matches played in Japan. "B's" column indicates number of bookmakers offering Summer Koshien betting odds on a specific baseball match. Columns 1, X and 2 serve for average/biggest Summer Koshien betting odds offered on home team to win, draw and away team to win the Summer Koshien match. The top line of upcoming matches table (Baseball - Japan - Summer Koshien) lets you click-through to higher categories of Odds Portal betting odds comparison service.