The third night of G1 Climax 30 took place on September 23, 2020 at Hokkaido Prefectural Sports Center in Sapporo, Hokkaido, Japan and was headlined by Kota Ibushi vs. Jay White.
| Actor | Role |
|---|---|
 Kota IbushiKota Ibushi | Kota Ibushi |
 Jamie WhiteJay White | Jay White |
 Tomohiro IshiiTomohiro Ishii | Tomohiro Ishii |
 William OspreayWill Ospreay | Will Ospreay |
 Minoru SuzukiMinoru Suzuki | Minoru Suzuki |
 Taichiro MakiTaichi | Taichi |
 Kazuchika OkadaKazuchika Okada | Kazuchika Okada |
 Yujiro TakahashiYujiro Takahashi | Yujiro Takahashi |
 Jeffrey CobbJeff Cobb | Jeff Cobb |
 Shin TakagiShingo Takagi | Shingo Takagi |
 Yuya UemuraYuya Uemura | Yuya Uemura |
 Gabriel McMenaminGabriel Kidd | Gabriel Kidd |