Guarda Streamingcommunity. Power Struggle (2021) was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW). The event took place on November 6, 2021, in Osaka, Japan, at the Edion Arena Osaka. It was the eleventh event under the Power Struggle name. The event was headlined by Shingo Takagi defending the IWGP World Heavyweight Championship against Zack Sabre Jr.