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.

List of events # Event title Date Arena Location 1 K-1 World GP 2017 Lightweight Championship Tournament Yoyogi National Gymnasium Tokyo, Japan 2 K-1 World GP 2017: Super Bantamweight Tournament Yoyogi National Gymnasium Tokyo, Japan 3 K-1 World GP 2017 Super Welterweight Championship Tournament Saitama Super Arena Saitama, Japan 4 K-1 World GP 2017 Welterweight Championship Tournament Saitama Super Arena Saitama, Japan

K-1 World GP 2017 Lightweight Championship Tournament

{| class="wikitable" style="font-size: 80%;" |- ! colspan="8" style="background-color: #ccf; color: #000080; text-align: center;" | Fight Card |- ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Weight Class ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Method ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Round ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Time ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Notes |- |Lightweight 62.5kg | Wei Rui |align=center|def. | Ren Hiramoto |Decision (split) |align=center|3 |align=center|3:00 |Lightweight GP Final

|Super Featherweight 60kg | Taiga |align=center|def. | Hirotaka Urabe |Decision (unanimous) |align=center|3 |align=center|3:00 |For the K-1 Super Featherweight Championship

|Super Welterweight 70kg | Hinata |align=center|def. | Shintaro Matsukura |Decision (unanimous) |align=center|3 |align=center|3:00

|Lightweight 62.5kg | Wei Rui |align=center|def. | Cristian Spetcu |Decision (unanimous) |align=center|3 |align=center|3:00 |Lightweight GP Semi-final

|Lightweight 62.5kg | Ren Hiramoto |align=center|def. | Gonnapar Weerasakreck |KO (Left Cross) |align=center|1 |align=center|1:14 |Lightweight GP Semi-final

|Super Lightweight 65kg | Masaaki Noiri |align=center|def. | Younes Smaili |Decision (unanimous) |align=center|3 |align=center|3:00

|Heavyweight | Ibrahim El Bouni |align=center|def. | Makoto Uehara |KO (Left hook) |align=center|2 |align=center|1:33

|Lightweight 62.5kg | Cristian Spetcu |align=center|def. | Toshiki Taniyama |Decision (unanimous) |align=center|3 |align=center|3:00 |Lightweight GP Quarter-final

|Lightweight 62.5kg | Wei Rui |align=center|def. | Daizo Sasaki |KO (Left Hook) |align=center|2 |align=center|1:04 |Lightweight GP Quarter-final

|Lightweight 62.5kg | Gonnapar Weerasakreck |align=center|def. | Koya Urabe |Decision (unanimous) |align=center|3 |align=center|3:00 |Lightweight GP Quarter-final

|Lightweight 62.5kg | Ren Hiramoto |align=center|def. | Brice Delval |Decision (majority) |align=center|3 |align=center|3:00 |Lightweight GP Quarter-final

|Lightweight 62.5kg | Rukiya Anpo |align=center|def. | Hiroshi Mizumashi |KO (Jumping Switch kick) |align=center|2 |align=center|0:06 |Lightweight GP Reserve |- ! colspan="8" style="background-color: #ccf; color: #000080; text-align: center;" | Preliminary Card |- |Super Welterweight 70 kg | Katsuya Jinbo |align=center|def. | Taketo |KO (body punch) |align=center|1 |align=center|2:06

|Super Lightweight 65 kg | Atsuto Matsumoto |align=center|vs. | Kensei Kondo |Draw |align=center|3 |align=center|3:00

|Super Bantamweight 55 kg | Hiroto Ishizuka |align=center|def. | Yuta Kuwata |Decision (unanimous) |align=center|3 |align=center|3:00

62.5kg GP Championship

K-1 World GP 2017: Super Bantamweight Tournament

{| class="wikitable" style="font-size: 80%;" |- ! colspan="8" style="background-color: #ccf; color: #000080; text-align: center;" | Fight Card |- ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Weight Class ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Method ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Round ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Time ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Notes |- |Super Bantamweight 55kg | Yoshiki Takei |align=center|def. | Kenji Kubo |Decision (unanimous) |align=center|3 |align=center|3:00 |Super Bantamweight GP Final

|Super Lightweight 65kg | Kaew Fairtex |align=center|def. | Hideaki Yamazaki |Decision (unanimous) |align=center|3 |align=center|3:00 |For the K-1 Super Lightweight Championship

|Featherweight 57.5 kg | Takeru Segawa |align=center|def. | Victor Saravia |KO |align=center|3 |align=center|2:23

|Suprr Bantamweight 57.5kg | Kenji Kubo |align=center|def. | Nobuchika Terado |KO |align=center|2 |align=center|3:00 |Super Bantamweight GP Semi-final

|Super Bantamweight 57.5kg | Yoshiki Takei |align=center|def. | Keisuke Ishida |KO |align=center|1 |align=center|1:32 |Super Bantamweight GP Semi-final

|Super Lightweight 65kg | Tetsuya Yamato |align=center|def. | Hiroya |KO |align=center|2 |align=center|0:58

|Heavyweight | Koichi |align=center|def. | K-Jee |KO |align=center|3 |align=center|0:38

|Super Bantamweight 55kg | Kenji Kubo |align=center|def. | Son Dachen |Decision (unanimous) |align=center|3 |align=center|3:00 |Super Bantamweight GP Quarter-final

|Super Bantamweight 55kg | Nobuchika Terado |align=center|def. | Jamie Whelan |Decision (split) |align=center|3 |align=center|3 |Super Bantamweight GP Quarter-final

|Super Bantamweight 55kg | Yoshiki Takei |align=center|def. | Antonio Orden |KO |align=center|3 |align=center|2:31 |Super Bantamweight GP Quarter-final

|Super Bantamweight 55kg | Keisuke Ishida |align=center|def. | Charles Bongiovanni |KO |align=center|2 |align=center|1:43 |Super Bantamweight GP Quarter-final

|Super Bantamweight 55kg | Namito Izawa |align=center|def. | Yuya Suzuki |Decision (split) |align=center|3 |align=center|3:00 |Super Bantamweight GP Reserve

! colspan="8" style="background-color: #ccf; color: #000080; text-align: center;" | Preliminary Card

|Super Welterweight 70 kg | Hiromi Wajima |align=center|def. | Kazunari Kimura |TKO |align=center|1 |align=center|1:13

|Lightweight 62.5 kg | Seiya Ueda |align=center|vs. | Masaru |Decision (unanimous) |align=center|3 |align=center|3:00

|Super Featherweight 60 kg | Yuma Saikyo |align=center|def. | Hiroki Kokubo |KO |align=center|1 |align=center|2:48

55 kg GP Championship

K-1 World GP 2017 Super Welterweight Championship Tournament

{| class="wikitable" style="font-size: 80%;" |- ! colspan="8" style="background-color: #ccf; color: #000080; text-align: center;" | Fight Card |- ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Weight Class ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Method ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Round ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Time ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Notes

|Super Welterweight 70kg | Chingiz Allazov |align=center|def. | Yasuhiro Kido |Decision (Unanimous) |align=center|3 |align=center|3:00 |Super Welterweight GP Final

|Super Lightweight 65kg | Masaaki Noiri |align=center|def. | Kaew Fairtex (c) |Ext.R Decision (Split) |align=center|4 |align=center|3:00 |Super Lightweight Championship Match |- |Lightweight 62.5kg | Wei Rui (c) |align=center|def. | Gonnapar Weerasakreck |Decision (Majority) |align=center|3 |align=center|3:00 |Lightweight Championship Match |- |Featherweight 57.5kg | Takeru |align=center|def. | Buvaisar Paskhaev |KO (Left Hook to the Body) |align=center|3 |align=center|1:17

|Super Welterweight 70kg | Chingiz Allazov |align=center|def. | Jordann Pikeur |KO (Right Hook) |align=center|1 |align=center|2:17 |Super Welterweight GP Semi-final

|Super Welterweight 70kg | Yasuhiro Kido |align=center|def. | Sanny Dahlbeck |KO (Low Kicks) |align=center|1 |align=center|2:28 |Super Welterweight GP Semi-final

|Super Featherweight 60kg | Taiga |align=center|def. | Koji |Decision (Unanimous) |align=center|3 |align=center|3:00

|Featherweight 57.5kg | Haruma Saikyo |align=center|def. | Kaito Ozawa |Decision (Unanimous) |align=center|3 |align=center|3:00

|Super Lightweight 65kg | Ren Hiramoto |align=center|def. | Umar Paskhaev |Decision (Unanimous) |align=center|3 |align=center|3:00

|Super Welterweight 70kg | Jordann Pikeur |align=center|def. | Hinata |Decision (Unanimous) |align=center|3 |align=center|3:00 |Super Welterweight GP Quarter-final

|Super Welterweight 70kg | Chingiz Allazov |align=center|def. | Hiroki Nakajima |KO (2 Knockdowns) |align=center|2 |align=center|1:18 |Super Welterweight GP Quarter-final

|Super Welterweight 70kg | Sanny Dahlbeck |align=center|def. | Yu Hirono |TKO (Doctor Stoppage) |align=center|2 |align=center|2:33 |Super Welterweight GP Quarter-final

|Super Welterweight 70kg | Yasuhiro Kido |align=center|def. | Luke Whelan |KO (Left Middle Kick) |align=center|3 |align=center|1:34 |Super Welterweight GP Quarter-final

|Super Welterweight 70kg | Yoichi Yamazaki |align=center|def. | Tomoaki Makino |Decision (Unanimous) |align=center|3 |align=center|3:00 |Super Welterweight GP Reserve Fight |- ! colspan="8" style="background-color: #ccf; color: #000080; text-align: center;" | Preliminary Card |- |Super Weleterweight 70kg | Katsuya Jinbo |align=center|def. | Masato Uchiyama |KO (Right Cross) |align=center|1 |align=center|2:21

|Lightweight 62.5kg | Yuki Takeuchi |align=center|def. | Ryo Tabata |KO (Right Cross) |align=center|1 |align=center|0:31

|Super Lightweight 65kg | Hayato Suzuki |align=center|def. | Yuki Koge |KO (Left Cross) |align=center|2 |align=center|1:02

|Super Featherweight 60kg | Yuma Saikyo |align=center|def. | Takuma Kawaguchi |Decision (Unanimous) |align=center|3 |align=center|3:00

70 kg GP Championship

K-1 World GP 2017 Welterweight Championship Tournament

{| class="wikitable" style="font-size: 80%;" |- ! colspan="8" style="background-color: #ccf; color: #000080; text-align: center;" | Fight Card |- ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Weight Class ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Method ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Round ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Time ! colspan="1" style="background-color: #E6E8FA; color: #000000; text-align: center;" | Notes

|Welterweight 67.5kg | Yuta Kubo |align=center|def. | Mohan Dragon |Decision (Unanimous) |align=center|3 |align=center|3:00 |Welterweight Tournament Final |- |Featherweight 57.5kg | Takeru (c) |align=center|def. | Wang Junguang |Decision (Unanimous) |align=center|3