"Dainichi Black Company Hell's October Series Opening Round"
 [Date] October 5, 2021 (Tuesday)
 [Venue] Korakuen Hall, Tokyo
 ▼ Main event Poison needle fluorescent lamp 6 people Tag death match 30 minutes 1 game
 Abdullah Kobayashi & Ryuji Ito & "Black Angel" Numazawa Jaki vs Masashi Takeda & Takumi Tsukamoto & Toshiyuki Sakuda

 ▼ Semi-final G-Shock Tag Deathmatch 30 minutes 1 match
 Drew Parker & Yuki Ishikawa vs Kankuro Hoshino & Akira Hyodo

 ▼ 5th match TLLC tag death match 30 minutes 1 match
 Yuko Miyamoto & Isami Kitaka vs Masaya Takahashi & Shunma Katsumata

 ▼ 4th match tag match 30 minutes 1 match
 Takuya Nomura & Fuminori Abe vs Daisuke Sekimoto & Yuji Okabayashi

 ▼ 3rd match 6-person tag match 20 minutes 1 match
 Daichi Hashimoto & Hideyoshi Kamitani & Kazumi Kikuta vs Yasufumi Nakanoue & Ryota Hama & Yuya Aoki

 ▼ 2nd game 8 people tag match 20 minutes 1 game
 Kota Sekifuda & Tatsuhiko Yoshino & Kazuki Hashimoto & Takaaki Sato vs Ryota Nakatsu & Daiki Shimomura & Takato Nakano & Masato Kamino

 ▼ Opening match 15 minutes 1 match
 Takuho Kato vs Kazumasa Yoshida