Intercity baseball tournament

The intercity baseball tournament (都市対抗野球大会 Toshi Taikō yakyū taikai) of Japan, commonly known as "Summer All-star" (真夏の球宴 manatsu no kyūen), is an annual nationwide inter-city baseball tournament in Japan. The winners are awarded the "Black Lion Flag" (黒獅子旗 kurojishi ki), runners-up are awarded the "White Lion Flag" (白獅子旗 shirojishi ki).

Winners
A bracket after city and team in champion column indicates number of titles.

(baseball team) links to Japanese wikipedia article except club team and team does not have an article.