ROH-NJPW War Of The Worlds 2019 - Night 1 was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW) that took place on ay 8, 2019 in Buffalo, New York at the Buffalo Riverworks. It was broadcast on ROHWrestling.com.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- Dark Match: Ryan Nova defeats Rayo
- PJ Black defeats Alex Coughlin (7:24)
- Kelly Klein (c) defeats Kate Carney (7:15) to retain the ROH Women of Honor Championship
- The Kingdom (TK O'Ryan & Vinny Marseglia) defeat Clark Connors & Karl Fredericks (10:30)
- Shane Taylor defeats HIKULEO (3:34)
- Los Ingobernables de Japon (EVIL & SANADA) defeat Lifeblood (Mark Haskins & Tracy Williams) (18:31)
- Rush defeats Silas Young (7:03)
- Villain Enterprises (Brody King, Marty Scurll & PCO) (c) defeat Jeff Cobb, Satoshi Kojima & Yuji Nagata (19:50) to retain the ROH World Six-Man Tag Team Championship
- The Guerrillas Of Destiny (Tama Tonga & Tanga Loa) (c) defeat Jay Lethal & Jonathan Gresham (14:36) to retain the ROH World Tag Team Championship
- Flip Gordon defeats Bandido (w/ Mark Haskins & Tracy Williams) (25:21)
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