The year 2017 is the 24th year in the history of the K-1. 2016 starts with K-1 World GP 2017 -62.5kg Japan Tournament.
| Event Title | Date | Arena | Location | ||
|---|---|---|---|---|---|
| 1 | K-1 World GP 2017 Lightweight Championship Tournament | Yoyogi National Gymnasium | |||
| 2 | K-1 World GP 2017: Super Bantamweight Tournament | Yoyogi National Gymnasium | |||
| 3 | K-1 World GP 2017 Super Welterweight Championship Tournament | Saitama Super Arena | |||
| 4 | K-1 World GP 2017 Welterweight Championship Tournament | Saitama Super Arena |
| Promotion: | K-1 |
| K-1 WGP -62.5kg Tournament Championship | |
| Date: | February 25, 2017 |
| Venue: | Yoyogi National Gymnasium |
| City: |  Tokyo, Japan |
| Fight Card | |||||||
|---|---|---|---|---|---|---|---|
| Weight Class | Method | Round | Time | Notes | |||
| Lightweight 62.5kg |  Wei Rui | def. | Ren Hiramoto | Decision (split) | 3 | 3:00 | Lightweight GP Final |
| Super Featherweight 60kg | Taiga | def. | Hirotaka Urabe | Decision (unanimous) | 3 | 3:00 | For the K-1 Super Featherweight Championship |
| Super Welterweight 70kg | Hinata | def. | Shintaro Matsukura | Decision (unanimous) | 3 | 3:00 | |
| Lightweight 62.5kg | Wei Rui | def. | Cristian Spetcu | Decision (unanimous) | 3 | 3:00 | Lightweight GP Semi-final |
| Lightweight 62.5kg | Ren Hiramoto | def. |  Gonnapar Weerasakreck | KO (Left Cross) | 1 | 1:14 | Lightweight GP Semi-final |
| Super Lightweight 65kg | Masaaki Noiri | def. |  Younes Smaili | Decision (unanimous) | 3 | 3:00 | |
| Heavyweight 100kg |  Ibrahim El Bouni | def. | Makoto Uehara | KO (Left hook) | 2 | 1:33 | |
| Lightweight 62.5kg | Cristian Spetcu | def. | Toshiki Taniyama | Decision (unanimous) | 3 | 3:00 | Lightweight GP Quarter-final |
| Lightweight 62.5kg | Wei Rui | def. | Daizo Sasaki | KO (Left Hook) | 2 | 1:04 | Lightweight GP Quarter-final |
| Lightweight 62.5kg | Gonnapar Weerasakreck | def. | Koya Urabe | Decision (unanimous) | 3 | 3:00 | Lightweight GP Quarter-final |
| Lightweight 62.5kg | Ren Hiramoto | def. | Brice Delval | Decision (majority) | 3 | 3:00 | Lightweight GP Quarter-final |
| Lightweight 62.5kg | Rukiya Anpo | def. | Hiroshi Mizumashi | KO (Jumping Switch kick) | 2 | 0:06 | Lightweight GP Reserve |
| Preliminary Card | |||||||
| Super Welterweight 70 kg | Katsuya Jinbo | def. | Taketo | KO (body punch) | 1 | 2:06 | |
| Super Lightweight 65 kg | Atsuto Matsumoto | vs. | Kensei Kondo | Draw | 3 | 3:00 | |
| Super Bantamweight 55 kg | Hiroto Ishizuka | def. | Yuta Kuwata | Decision (unanimous) | 3 | 3:00 | |