NOAH Kongo Produce DIAMOND 4

was a Professional wrestling event produced by Pro Wrestling NOAH, which took place on July 28, 2021 at the Club Citta Kawasaki in Kawasaki, Kanagawa. It was broadcast on July 28, 2021 on Wrestle Universe.
==Results==
;
;
*Atsushi Kotoge defeated Nio (9:27)
*Aleja defeated Junta Miyawaki (5:25)
*Daisuke Harada defeated Hao (6:08)
*Tadasuke defeated Kinya Okada (6:08)
*Kaito Kiyomiya vs. Katsuhiko Nakajima ended in a Time Limit Draw (30:00)
*Kenou defeated Masa Kitamiya (23:25)
==See also==
*Event History
*Pro Wrestling NOAH
==External links==
* at CAGEMATCH.net
Category:2021 events
Category:Pro Wrestling NOAH events
Category:2021 television events