Summer Struggle in Sapporo was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW).
In the main event of night 1, Suzuki Gun's El Desperado retained IWGP Junior Heavyweight Championship against Bullet Club's Taiji Ishimori.
In the main event of night 2, Sanada and Tetsuya Naito of Los Ingobernables de Japón defeated Dangerous Tekkers (Taichi and Zack Sabre Jr.) of Suzuki Gun to win the IWGP Tag Team Championship.
[3] On May 19, NJPW announced that Summer Struggle would return in 2021, taking place throughout July with shows happening in Sapporo, Osaka and Nagoya.
[5] Summer Struggle in Sapporo will feature professional wrestling matches that involved different wrestlers from pre-existing scripted feuds and storylines.