Participants Announced For This Yearâs NJPW New Japan Cup Logo Credit: NJPW Graphic Credit: Robert DeFelice New Japan Cup full lineup, preview 30 to compete in single elimination tournament starting at 49th Anniversary '); '); The full lineup for New Japan Cup 2021 has been revealed, with 30 wrestlers participating in single elimination action starting on March 4 at the 49th Anniversary Event, and running through to March 21 in Sendai. The winner of the cup will be the first to challenge Kota Ibushi for the new IWGP World Heavyweight Championship, with that title match set to take place on April 4 at Ryogoku Sumo Hall at Sakura Genesis 2021.