Kensuke Sasaki is a Japanese retired professional wrestler, mixed martial artist, and founder of the now-defunct wrestling promotion Diamond Ring.
Sasaki as GHC Heavyweight Champion in 2008
IWGP Heavyweight Championship
The IWGP Heavyweight Championship was a professional wrestling world heavyweight championship owned by the New Japan Pro-Wrestling (NJPW) promotion. "IWGP" is the acronym of NJPW's governing body, the International Wrestling Grand Prix . The title was introduced on June 12, 1987, in the final of an IWGP tournament. It was unified with the IWGP Intercontinental Championship on March 4, 2021, to form the new IWGP World Heavyweight Championship.
Final champion Kota Ibushi
Five-time champion Kazuchika Okada holds the records for longest reign at 720 days, longest combined reign at 1,790 days, most defenses in one reign at 12, and most combined defenses at 30.
Record eight-time champion Hiroshi Tanahashi