NJPW G1 Climax 2019 - Night 4 was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW) that took place on, 2019 in Sapporo, Hokkaido, Japan at the Hokkaido Prefectural Sports Center. It was broadcast on NJPW World.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- Jushin Thunder Liger & Kota Ibushi defeated Shota Umino & Yota Tsuji (8:19)
- Los Ingobernables de Japon (BUSHI, EVIL & SANADA) defeated Ren Narita, Toa Henare & Tomoaki Honma (7:18)
- Suzuki-gun (Lance Archer, Minoru Suzuki, Yoshinobu Kanemaru & Zack Sabre Jr.) defeated Clark Connors, Hiroshi Tanahashi, Karl Fredericks & KENTA (11:32)
- CHAOS (Kazuchika Okada & YOSHI-HASHI) defeated BULLET CLUB (Bad Luck Fale & Chase Owens) (8:43)
- Shingo Takagi  defeated Toru Yano  (6:16) in a G1 Climax 2019 Block B Match
- Juice Robinson  defeated Hirooki Goto  (12:23) in a G1 Climax 2019 Block B Match
- Jon Moxley  defeated Jeff Cobb  (8:54) in a G1 Climax 2019 Block B Match
- Tomohiro Ishii  defeated Jay White (w/ Gedo)  (19:13) in a G1 Climax 2019 Block B Match
- Taichi  (w/ Miho Abe & Yoshinobu Kanemaru) defeated Tetsuya Naito  (21:01) in a G1 Climax 2019 Block B Match
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