| G1 Climax 30 | |||
|---|---|---|---|
 G1 Climax 30 logo | |||
| Promotion | New Japan Pro-Wrestling | ||
| Date | September 19 to October 18, 2020 | ||
| City | See venues | ||
| Venue | See venues | ||
| Tagline(s) | Be The One! | ||
| Event chronology | |||
| |||
| G1 Climax chronology | |||
| |||
 Kota Ibushi, winner of G1 Climax 30 | |
| Tournament information | |
|---|---|
| Sport | Professional wrestling |
| Location | |
| Dates | September 19, 2020–October 18, 2020 |
Tournament format(s) | Two-block round-robin tournament |
| Participants | 20 |
| Final positions | |
| Champion | Kota Ibushi |
| Runner-up | Sanada |
| Tournament statistics | |
| Bouts fought | 91 |
The G1 Climax 30 was a professional wrestling tournament produced by New Japan Pro-Wrestling (NJPW). The tournament commenced on September 19 and concluded on October 18, 2020. It was the thirtieth edition of G1 Climax, and forty-sixth edition of the tournament counting its previous forms under different names. A Block winner Kota Ibushi defeated B Block winner Sanada in the final to win the tournament.
Considered NJPW's most important tournament, the G1 Climax features twenty wrestlers, divided in two blocks of ten ("A" and "B"). Each participant faces all nine other wrestlers within the same block in singles matches. The winner of each block is determined via a point system, with two points for a win, one point for a draw, and no point for a defeat; each night of the event sees the ten members of one block compete for the tournament. On the final day of the event, the winners of both blocks face each other to determine the winner of the G1 Climax, who will gain a future match for the IWGP Heavyweight Championship at Wrestle Kingdom, NJPW's biggest yearly event. The event was broadcast live on TV Asahi and Fighting TV Samurai in Japan, and New Japan Pro-Wrestling World worldwide.