2, an event promoted by Pro Wrestling Noah on December 16, 2018, he teamed up with Lin Dong Xuan to defeat Kinya Okada and Yoshiki Inamura.

[4] At AJPW GROWIN' UP Vol.2, an event promoted by All Japan Pro Wrestling on May 9, 2017, he teamed up with Soma Takao in a losing effort to Evolution (Atsushi Aoki and Hikaru Sato).

[5] At DDT/Saki Akai Produce DDT Collection on March 14, 2018, he competed in a 27-man battle royal won by Kazuki Hirata who became general manager for one day, match which also involved other notable opponents such as Gorgeous Matsuno, Super Sasadango Machine, Yukio Sakaguchi, Konosuke Takeshita and Sanshiro Takagi.

[10] On the first night of the Wrestle Peter Pan 2020 event which took place on July 6, Watase teamed up with Jun Akiyama in a losing effort to All Out (Akito and Yuki Iino).

[14] At Judgement 2020: DDT 23rd Anniversary on March 20, Watase competed in a Battle royal for the Ironman Heavymetalweight Championship also involving the winner Kazuki Hirata, Danshoku Dino, Masahiro Takanashi, Hiroshi Yamato, Toru Owashi, Yukio Naya and Antonio Honda.