NJPW G1 Climax 33: Day 18

The eighteenth night of G1 Climax 33, featuring two semifinal matches, took place at Ryogoku Kokugikan in Sumida, Tokyo, Japan on August 12, 2023

• Tetsuya NaitoTetsuya Naito
• William OspreayWill Ospreay
• Kazuchika OkadaKazuchika Okada
• Takaaki WatanabeEVIL
• Hiroyoshi YamamotoHiroyoshi Tenzan
• Hirai KawatoMaster Wato
• Yōhei HayataHAYATA
• Kaito KiyomiyaKaito Kiyomiya
• Shota UminoShota Umino
• Tomoaki HonmaTomoaki Honma
• Minoru SuzukiMinoru Suzuki
• Ren NaritaRen Narita