Atsushi Sakai (May 20, 1983) is a Japanese professional wrestler better known under the ring name Kai. Best known for his work in the All Japan Pro Wrestling, Kai is an accomplished junior heavyweight wrestler, having won the AJPW World Junior Heavyweight Championship twice and the AJPW Junior League also twice (2008 and 2011), while he and Kaz Hayashi also won the 2011 Junior Tag League. In August 2012, Kai announced that he was ending his junior heavyweight days and becoming a heavyweight wrestler. After taking a seven-month break from in-ring action, Kai returned to All Japan in March 2013, now working as a heavyweight wrestler. However, the following July, Kai quit All Japan following a change in the promotion's management and joined the new Wrestle-1.
- Finishing moves
- "Cool & Hot"
- Entrance themes
- "Bang Bang Shoot" by Akihiko Matsumoto
Championships and accomplishments
- All Japan Pro Wrestling
- Pro Wrestling Illustrated
- PWI ranked him #244 of the 500 best singles wrestlers in the PWI 500 in 2013
- TNA World Heavyweight Championship Challenger Tournament (2014)